For a fixed sample size, a way of shrinking confidence interval is to decrease confidence. 1 True F False For a fixed confidence level, a way to shrink a confidence interval would be to decrease the sample size. 1 True F False
Answers
decreasing the confidence level for a fixed sample size would actually increase the width of the confidence interval, resulting in less precision.
For a fixed sample size, it is false that a way of shrinking the confidence interval is to decrease confidence.
For a fixed confidence level, it is true that a way to shrink a confidence interval would be to decrease the sample size.
The confidence level and the sample size are inversely related to the width of the confidence interval. A higher confidence level requires a wider confidence interval, while a smaller sample size leads to a wider confidence interval. Therefore, decreasing the confidence level for a fixed sample size would actually increase the width of the confidence interval, resulting in less precision.
On the other hand, decreasing the sample size for a fixed confidence level would increase the width of the confidence interval, resulting in less precision. This is because a smaller sample size leads to a larger standard error, which in turn leads to a wider confidence interval.
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Related Questions
The windows on a building are proportional to the size of the building. The height of each window is 1.5 feet, and the width is 11 in. If the height of the building is 108 ft, what is the width of the building IN FEET?
Answers
When you have two proportional figures (in this case the building and their windows) you have that:
Then, you have:
\(\frac{11in}{x}=\frac{1.5ft}{108ft}\)You solve the x:
\(\begin{gathered} (108ft)11in=1.5ft(x) \\ 1188ft\cdot in=1.5ft\cdot x \\ \frac{1188ft\cdot in}{1.5ft}=x \\ 792in=x \end{gathered}\)You change the inches to feet: (1 ft is equal to 12 inches)
\(792in\cdot\frac{1ft}{12in}=66ft\)Then, the width of the building is 66 feet.
When a warehouse opened, it had an inventory of 6,000 items. Every month, the inventory increases by 3,000 items.
Which graph has the most appropriate scales and units for this situation?
Answers
Answer:
Step-by-step explanation: 90% of people marry there 7th grade love. since u have read this, u will be told good news tonight. if u don't pass this on nine comments your worst week starts now this isn't fake. apparently if u copy and paste this on ten comments in the next ten minutes you will have the best day of your life tomorrow. you will either get kissed or asked out in the next 53 minutes someone will say i love you
What are the tax consequences to Euclid from the following independent events? In your computations, do not round intermediate division. If required, round the per share answer to two decimal places. Round all other answers to the nearest dollar. a. Euclid bought 500 shares of common stock five years ago for $50,000. This year, Euclid receives 20 shares of common stock as a nontaxable stock dividend. As a result of the stock dividend, Euclid's per share basis is $ X. b. Assume instead that Euclid received a nontaxable preferred stock dividend of 20 shares. The preferred stock has a fair market value of $5,000, and the common stock, on which the preferred is distributed, has a fair market value of $75,000. After the receipt of the stock dividend, the basis of the preferred stock is $ X, and the basis of the common stock is Φ
Answers
Euclid receives 20 shares of common stock as a nontaxable stock dividend.The basis of the common stock remains the same as in scenario a, which is $96.15 per share.
To calculate the per share basis, we divide the original purchase cost by the total number of shares (including the dividend shares). In scenario b, Euclid receives a nontaxable preferred stock dividend of 20 shares. The preferred stock has a fair market value of $5,000, and the common stock, on which the preferred is distributed, has a fair market value of $75,000.
The tax consequences involve determining the new basis of the preferred stock and the common stock after the dividend. a. To find the per share basis of Euclid's common stock after receiving the stock dividend, we divide the original purchase cost by the total number of shares. The original purchase cost was $50,000 for 500 shares, which means the per share basis was $50,000/500 = $100. After receiving 20 additional shares as a dividend, the total number of shares becomes 500 + 20 = 520.
Therefore, the new per share basis is $50,000/520 = $96.15. b. In this scenario, Euclid receives a preferred stock dividend of 20 shares. The preferred stock has a fair market value of $5,000, and the common stock has a fair market value of $75,000. To determine the new basis of the preferred stock, we consider its fair market value.
Since the preferred stock dividend is nontaxable, its basis is equal to the fair market value, which is $5,000.
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triangles abc and xyz are similar. the length of the sides of abc are 121 cm, 105 cm, and 98 cm. the length of the smallest side of xyz is 52 cm, what is the length of the longest side of xyz? round your answer to one decimal place.
Answers
Since triangles abc and xyz are similar, their corresponding sides are proportional.
Let's label the sides of triangle xyz as a, b, and c. We know that the smallest side of xyz (side a) is 52 cm. We need to find the length of the longest side of xyz (which we can label as side c).
We can set up a proportion to solve for c: 121/52 = 105/b = 98/c
Solving for b, we get: 121/52 = 105/b
b = (105*52)/121
b ≈ 45.6
Now we can set up a new proportion to solve for c: 121/52 = 98/c
Multiplying both sides by c, we get: 121c/52 = 98
Solving for c, we get:
c = (98*52)/121
c ≈ 42.3
Therefore, the length of the longest side of xyz is approximately 42.3 cm.
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hich of the factors listed below determine the width of a confidence interval? select all that apply. multiple select question. the population median. the size of the standard error. the chosen level of confidence. the relative size of the sample mean.
Answers
The width of a confidence interval is determined by several factors, including the size of the standard error, the chosen level of confidence, and the relative size of the sample mean. The population median is not a determining factor in the width of a confidence interval.
The standard error plays a crucial role in determining the width of the confidence interval, as it measures the variability of the sample mean. A larger standard error results in a wider confidence interval, while a smaller standard error leads to a narrower interval.
The chosen level of confidence also impacts the width of the confidence interval. A higher level of confidence, such as 95% or 99%, results in a wider interval because it requires capturing a larger range of possible values for the population parameter. Conversely, a lower level of confidence leads to a narrower interval.
Lastly, the relative size of the sample mean affects the width of the confidence interval, as larger sample sizes generally result in narrower intervals due to increased precision. Smaller sample sizes, on the other hand, yield wider intervals because there is less certainty regarding the true population mean.
In summary, the size of the standard error, the chosen level of confidence, and the relative size of the sample mean are the factors that determine the width of a confidence interval. The population median is not a factor in this determination.
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30 points
Write an expression that represents the area of the rectangle, A(x)
Answers
Answer:
Step-by-step explanation:
4(x + 5) = 4x + 20
Which system of iniquities has no solution?
Answers
Answer:
its A i think\
Step-by-step explanation:
How do we get energy frome the food we eat
Answers
Step-by-step explanation:
The food we eat is taken inside the body.
The body or the organ system starts breaking down the food into small soluble parts.
The digestive system digests food and its by products is energy and thats how we get energy from food
Solve 2x 10 = -4
X = ?
Answers
2x • 10 = -4
20x = -4
x = - 4/20 = -0.2
Answer: x = -0.2
_____ have beginning points but no end points and are represented by a line with an arrow on one end and not the other, like this: --------->
points
lines
rays
Answers
the term that matches the description of having a beginning point but no end points, and is represented by a line with an arrow on one end and not the other, is "rays."
Rays have a beginning point but no end point. They are represented by a line segment with an arrow on one end and not the other, indicating the direction in which the ray extends infinitely. The arrow signifies that the ray continues indefinitely in one direction.
On the other hand, points represent specific locations in space and do not have any length or direction associated with them. Lines, on the other hand, extend infinitely in both directions and have no specific beginning or end points.
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What is the vertex of the graph of f x )=[ x 5 ]- 6?
Answers
The vertex of the graph of f(x) = |x - 5| - 6 is (5, -6). It lies in the fourth quadrant.
Therefore the answer is (5, -6).
The graph f(x) = |x - 5| - 6 is symmetrical about the axis x = 5.
A vertex of a graph is a node of a graph. For a graph of the form f(x) = a|x - h| + k, the vertex is (h, k). So in this case where f(x) = |x - 5| - 6, a = 1, h = 5 and k = -6. Therefore the vertex of the given graph f(x) is
(5, -6)
--The question is incomplete, answering to the question --
"What is the vertex of the graph of f(x) = |x - 5| - 6?"
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At a sale this week, a table is being sold for $748. This is a 15% discount from the original price.
What is the original price?
Answers
Answer:
$880
Step-by-step explanation:
You are looking for the original price. What times 0.85 will equal 748. 748÷0.85 = 880. To check your work, 880 * 0.85 = 748.
is the correct answer a) 6 or c) 1/6?
Answers
Answer:
6
Step-by-step explanation:
If you were scaling it by 1/6 it would be smaller.
20 POINTS +BRAINLIEST IF CORRECT
Question 9(Multiple Choice Worth 1 points)
(05.02 LC)
A student wants to report on the number of movies her friends watch each week. The collected data are below:
2 14 1 2 0 1 0 2
Which measure of center is most appropriate for this situation, and what is its value?
Median; 1.5
Median; 3
Mean; 1.5
Mean; 3
Answers
Answer:
Median 1.5
Step-by-step explanation:
Answer:
Median is the most appropriate and the value is 1.5
Step-by-step explanation:
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Answers
What is the equation for the line of best fit for the following data? Round the
slope and y-intercept of the line to three decimal places.
OA. y=0.904x + 1.797
X
2
5
y
2
9
7 20
12
19
16 30
Answers
Answer:
y=1.797 x + 0.904
Step-by-step explanation:
y=1.797 x + 0.904
You could use line of best fit (least squares).
You can plot the provided equations & points, too.
B and C cannot be options; they have a negative slope. Just looking at the points, as x increases, y increases, so the slope is positive.
D most closely fits the data and would be the answer using least squares method.
To become a member of the book-of-the-month club there is a $40 sign-up fee and a $2 monthly fee. What is the total cost of being a book-of-the-month club member for 19 months?
Answers
Answer: $78 for 19 months
Step-by-step explanation:
$40 for sig-up
$2 monthly fee
Duration: 19 months
Total cost
\(= 40 + 2(19)\\= 40 + 38\\= 78\)
A sector of a circle of radius 14cm containing
an angle 60° is folded to forma cone
Calculate the radius of the base of the circle
}
Answers
answer is 2 ⅓
Explanation
Length of arc = circumference of the base of the
cone
is β/360 x 2πR=2πr
make r the subject of formula
r =βR/360
r=60 x 14/360
r=2⅓cm
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A group of 4 people are sharing jellybeans. Each person wants 6 jellybeans and each box has 8 jellybeans.
How many bags do they need?
Answer: _____
Answers
Answer:
3
Step-by-step explanation:
4 x 6 = 24
24 divided by 8 = 3
3 x 8 = 24
Gavin has a smart phone data plan that costs $20 per month that includes 6 GB of data, but will charge an extra $10 per GB over the included amount. How much would Gavin have to pay in a month where he used 2 GB over the limit? How much would Gavin have to pay in a month where he used went over by xx GB?
Answers
Answer: 20+ (10*2)=$40
Step-by-step explanation:
The equation y = 20 + 10x represents Gavin used went over by x GB and the total cost is $220 when he used 2 GB over.
What is a linear equation?It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.
If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.
It is given that:
Gavin has a smartphone data plan that costs $20 per month that includes 6 GB of data but will charge an extra $10 per GB over the included amount.
Let x be the number of GB Gavin used
Let the total cost be y
y = 20 + 10x
Plug x = 2
y = 20 + 10(20)
y = 20 + 200
y = $220
Thus, the equation y = 20 + 10x represents Gavin used went over by x GB and the total cost is $220 when he used 2 GB over.
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Use the box plots below to make comparisons
Number line labeled Number of insects identified with two box plots above it. Box plot labeled First trip has points at 2, 16, 17, 20, and 22. A box extends from 16 to 20 with a vertical line through 17. Lines extend from 16 to 2 and from 20 to 22. Box plot labeled Second trip has points at 15, 18, 19, 20, and 22. A box extends from 18 to 20 with a vertical line through 19. Lines extend from 18 to 15 and from 20 to 22.
Question 6 options:
The range of the first trip is smaller than the range of the second trip
The median of the second trip is higher than the median of the first trip
The interquartile range (IQR) of the second trip is larger than the IQR of the first trip
The first trip and the second trip have different maximum values
Answers
For the given box plot: The median of the second trip is higher than the median of the first trip.
What are box plots?Box plots, often called box-and-whisker plots, are graphical representations of data sets that highlight essential characteristics and summarise the distribution of the data. A box plot consists of a rectangle (the box) that spans the middle value of the data from the lower quartile (Q1) to the upper quartile (Q3), and a vertical line (the median) inside the box. Any data points outside of this range are displayed as separate dots (outliers), and whiskers (lines) extend from the box to the lowest and highest data points within 1.5 times the IQR (interquartile range). Box plots make it simple to compare several sets of data, and they can highlight variations in central tendency, variability, and skewness.
From the description of the box plots we observe that:
The first trip's range is greater than the second trip's range because the first trip's whiskers are longer than the second trip's whiskers.
Due to the second trip's box being relocated to the right of the first trip's box, the median of the second trip is greater than the median of the first.
Because the box for the first trip is wider than the box for the second trip, the interquartile range (IQR) of the second trip is less than the IQR of the first trip.
Since both trips have a data point at 22, they both have the same highest value.
Hence, The median of the second trip is higher than the median of the first trip.
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AYO HELP ME COME ON!!!!!
Answers
Answer and Step-by-step explanation:
The answer would be:
C = 10h, where C is the total cost of hats, and h is the number of hats bought.
10 represents the amount of money for each hat.
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The ratio of the radii of two distinct spheres is 1:2. what is the ratio of their respective volumes?
Answers
The ratio of the Volume of the sphere whose radius are in ratio 1:2 is 1:8.
A sphere is a three dimensional figure, it is made of set of points that are all equidistant from the center.
The ratio of radii of two spheres is 1:2
Volume of a sphere is given by
V = (4/3) πr³
The ratio of two sphere is given by
V₁ / V₂ = (r₁/r₂)³
V₁ / V₂ = (1/2)³
V₁ / V₂ = 1/8
Therefore, the ratio of the Volume of the sphere whose radius are in ratio 1:2 is 1:8.
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round 18.238 to the nearest tenth
Answers
Answer:
18.2
Step-by-step explanation:
Since the hundreds place is less than 5, it stays the same.
Answer:
18.2, haven't done this for a while now, but I think that should be correct :)
The reliability factor table provides factors for as many as
three computations when planning and evaluating the results of a
PPS sample. Describe in general terms each of these
computations
Answers
The three computations covered by the reliability factor table are sample size, index of reliability, and index of precision. Sample size deals with the size of the sample being used in order to achieve a desirable level of reliability.
Index of reliability is used to measure the consistency of results achieved over multiple trials. It does this by calculating the total number of items that contribute significantly to the final result. Finally, the index of precision measures the effect size of the sample, which is determined by comparing the results from the sample with the expected results.
The sample size computation gives the researcher an idea of the number of items that should be included in a sample in order to get the most reliable results. This is done by taking into account a number of factors including the variability of the population, the type of measurements used, and the desired level of accuracy.
The index of reliability is commonly calculated by finding the ratio of the number of items contributing significantly to the total result to the total number of items in the sample. This ratio is then multiplied by 100 in order to get a final score.
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Hurry I need to get this done
Answers
A. 7 - 4 = 3. So, these points are separated by a distance of 3 units.
B. 2 - 1 = 1. So, these points are separated by a distance of 1 unit.
C. 3 - 1 = 2. So, these points are separated by a distance of 2 units.
D. 8 - 4 = 4. So, these points are separated by a distance of 8 units.
So A. is the correct answer.
Answer:
A. (2,4), (2,7)
Hope you could get an idea from here.
Doubt clarification - use comment section
Which lines are parallel? check all that apply. Lines b, c, d, e, f are cut by transversal a. Clockwise from top left, the angles formed by lines b and a are blank, 89. 5 degrees, blank, blank; by lines c and a are blank, blank, blank, 91. 5 degrees; by lines d and a are blank, blank, 89. 5 degrees, blank; by lines e and a are 88. 5 degrees, blank, blank, blank; by lines f and a are blank, blank, 90. 5 degrees, blank.
Answers
Lines b is parallel at an intersection at an angle of 89. 5 degrees.
In the above question, the two parallel lines will be b and d.
How do parallel lines work?
From the illustration, we can see that
Lines b and an intersect at an angle of 89. 5 degrees.
Lines c and an intersect at an angle of 91.5 degrees.
Lines d and an intersect at an angle of 89.5 degrees.
Lines e and an intersect at an angle of 88.5 degrees.
Lines f and an intersect at an angle of 90.5 degrees.
Since the angles created by lines b and an are equal, the result is 89.5.
Consequently, these two lines will never intersect.
However, other lines have different angles, so they can collide at a single location.
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Provide all molecular orbitals of 1,3,5-hexatriene and indicate which one is HOMO and which is LUMO.
Answers
MO 2 is HOMO and MO 3 is LUMO are the all molecular orbitals of 1,3,5-hexatriene.
1,3,5-hexatriene is a linear molecule having three C=C double bonds.
The molecular orbitals of 1,3,5-hexatriene can be found out as follows;
The number of molecular orbitals formed by the combination of atomic orbitals of three C atoms is equal to 3.
Out of these 3 molecular orbitals, 1 MO (Molecular Orbital) is symmetric in nature and is called bonding MO, whereas the other 2 MOs are asymmetric in nature and are called anti-bonding MOs.
The bonding MO is occupied by electrons while anti-bonding MOs are vacant.
The highest occupied molecular orbital is called HOMO and the lowest unoccupied molecular orbital is called LUMO.
Below are the three molecular orbitals for 1,3,5-hexatriene:
Thus, MO 2 is HOMO and MO 3 is LUMO.
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Percent of change
16 to 12
please give explanation!!
Answers
Answer:
I tried my best..
Step-by-step explanation:
relative change
=
|
new
−
old
|
old
⋅
100
%
relative change
=
|
12
−
16
|
16
⋅
100
%
relative change
=
25
%
12
<
16
, so there is a decrease of
25
%
.
Evaluate the expression 52 × (7.2 + 16) − 8.
Answers
The evaluation of the expression is 1198.4.
What is Algebra?Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.
The acronym PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This approach is used to answer the problem correctly and completely.
Given;
Expression; 52 × (7.2 + 16) − 8
Now,
=52*23.2-8
=1206.4-8
=1198.4
Therefore, the algebra will give 1198.4.
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