I dont understandquestion a)

The correct interpretation of the given confidence interval is: “We are 95% confident that the population mean number of hours adults spend on formal exercise each week lies between 0.45 and 7.94.”


Option (a) is the correct interpretation because a confidence interval provides an estimate of the range within which the true population parameter (in this case, the mean number of hours spent on formal exercise) is likely to fall. The confidence level of 95% indicates that if we were to repeat the sampling process and construct confidence intervals, 95% of those intervals would contain the true population mean.

Therefore, we can say with 95% confidence that the population mean lies within the interval (0.45 hours, 7.94 hours). Option (b) is incorrect because probabilities are not associated with confidence intervals. Options (c) and € refer to the sample mean, not the population mean. Option (d) incorrectly suggests that we know the true population mean is within the interval, whereas the confidence interval provides an estimate of the likely range.

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Answer:

A

Step-by-step explanation:

-3×6x=-18x -3×-2=6 -18x+6

Answer:

1.62 so peppers

Step-by-step explanation:

Answer:

peppers    Hope thiss helps!

Step-by-step explanation:

The length of w, to the nearest centimeter is 54.20 cm if in triangle VWX, x=41 cm, v=17 cm and angle W =134 degrees.

In terms of geometry, a triangle is a three-sided polygon with three edges and three vertices. The triangle's interior angles add up to 180°.

It is given that:

in triangle VWX, x=41 cm, v=17 cm and angle W =134 degrees.

Using cos law:

W = √(41² + 17² - 2×41×17 cos 134)

After solving:

W = 54.20 cm

Thus, the length of w, to the nearest centimeter is 54.20 cm if in triangle VWX, x=41 cm, v=17 cm and angle W =134 degrees.

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Answer:

10/50 or 1/5 or 20 % chance

Step-by-step explanation:

well to find this out we have to add all of the chocolates together

10+23+14+3

33+17

50

And then we divide the amount of dark chocolate by 50

And it will be 10/50 or 1/5

Answer:

No

Step-by-step explanation:

Multiplying fractions does not require that the fractions have the same denominator. Instead, the numerators are multiplied with each other and the denominators are multiplied with each other. However, the resulting fraction may not be in lowest terms so it may need to be reduced.

Step-by-step explanation:

A 62.0 kg person in

a rollercoaster moves 29.2 m/s

at the bottom of a curved track

of radius 33.7 m. What is the normal

force acting on the person?

(Unit = N)

Answer: you didn’t even say please

explanation: why don’t you ask your mother you make me sad

Martin's scores have a mean of 85.2 and a mean absolute deviation of 7.44. Trisha's distances have an approximate mean of 29.1 and an approximate mean absolute deviation of 1.5.

Question #2 asked to find the mean of the following five scores: 98, 78, 84, 75, 91. Adding them together and dividing by five (the number of scores given) gives a mean of 85.2.Question #3 asked to find the mean absolute deviation of the scores from the mean. This involves finding how far each score is from the mean (which was found to be 85.2) and then finding the average of those distances. This was calculated to be 7.44. Thus, Martin's scores have a mean of 85.2 and a mean absolute deviation of 7.44. This indicates that Martin's scores are relatively close to the mean but that there is a fair amount of variability in the scores. Question #4 asked to find the approximate mean of the seven distances given (29, 30, 28, 32, 28, 31, 27). Adding them together and dividing by seven (the number of distances given) gives a mean of 29.1, rounded to the nearest tenth. Question #5 asked to find the approximate mean absolute deviation of the distances from the mean. This involves finding how far each distance is from the mean (which was found to be 29.1) and then finding the average of those distances. This was calculated to be 1.5, rounded to the nearest tenth. Thus, Trisha's distances have an approximate mean of 29.1 and an approximate mean absolute deviation of 1.5. This indicates that her distances are relatively close to the mean and have relatively little variability. Therefore, her performance in the triple jump is consistent. Martin's scores have a mean of 85.2 and a mean absolute deviation of 7.44. This indicates that Martin's scores are relatively close to the mean but that there is a fair amount of variability in the scores. Trisha's distances have an approximate mean of 29.1 and an approximate mean absolute deviation of 1.5. This indicates that her distances are relatively close to the mean and have relatively little variability. Therefore, her performance in the triple jump is consistent.

In conclusion, Martin's scores have more variability than Trisha's distances in the triple jump. Although Martin's mean score is relatively close to the mean, his mean absolute deviation is higher, which indicates that there is more variability in his scores. On the other hand, Trisha's distances are relatively consistent and close to the mean, with a lower mean absolute deviation.

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Generate categorical variables from continuous data by defining categories and assigning values, but you cannot obtain continuous data from categorical variables due to the loss of precision during the conversion process.

The reason why it is possible to generate categorical variables from continuous data, but not possible to obtain continuous data from categorical variables is due to the inherent nature of each type of variable.
To generate categorical variables from continuous data, you can follow these steps:
1. Define categories or groups based on a specific criterion. For example, dividing people into "short", "medium", and "tall" based on their heights.
2. Assign the continuous data values to the appropriate categories based on the defined criterion. For example, people with height less than 5 feet are considered "short", between 5 and 6 feet as "medium", and above 6 feet as "tall".
However, obtaining continuous data from categorical variables is not possible because categorical data does not have the same level of precision or granularity as continuous data. For instance, if you only know that someone is "tall," you cannot determine their exact height, as the information is lost when converting continuous data to categorical data.

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Answer:

I think 8 hours sorry if i am wrong.

Step-by-step explanation:

Can I have Brainliest if right?

Answer:

Explained below:

Step-by-step explanation:

A: Positive, because it grows taller.

(0,1.51)

B: 40.77. I divided the 15.1 by 10 to see how much it grows after each month so then I got 1.51 and multiplied it by 27 getting 40.77.

C: 17.23 months. I divided 26.02 by 1.51 to see how long it would take and got 17.23.

Have a great day!

Please rate!

Answer:

y = 2 x - 6

the second answer is

y + 6 = 2 (x - 0)

Step-by-step explanation:

The fraction  12/3+3/4÷(−1/3)−1/2is evaluated to give -114/10

A fraction can be defined as part of a whole element, variable or number

The several  types of fractions in mathematics are;

From the information, we have that;

12/3+3/4÷(−1/3)−1/2

The fraction given is a mixture of proper fractions and improper fractions

Expand the bracket, we get;

12/3 + 3/4 ÷ -1/3 -1/2

Find the lowest common denominator

48 + 9 /12 ÷ -2 - 3 /6

Add the numerators

57/12  ÷ -5/6

Take the inverse of the divisor and multiply

57/12 × 6/-5

-114/10

Hence, the value evaluated from the fraction is -114/10

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Answer:

the amount of camry sold in 2003 = 434000

Step-by-step explanation:

let the number of camry sold be X

then the number of honda accord will be x - 35000

the total will be:

x + x-35000 = 833000

2x = 868000

x = 434000

The amount of Camry sold in 2003 is 434000

Let the number of Camry sold be X

Then the number of honda accord will be x - 35000

The total will be:

x + x-35000 = 833000

2x = 868000

x = 434000

Problem-solving is the act of defining a problem; determining the cause of the problem; identifying, prioritizing, and selecting alternatives for a solution; and implementing a solution.

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Given :

David rented a truck for one day there was a base fee of $17.99 .

Charge per mile driven is, c = 98 cents = $0.98 .

He pay $137.55 at the end of the day.

To Find :

How many miles did he drive the truck.

Solution :

Let, number of miles he drive is n.

So,

\(n = \dfrac{137.55 - 17.99}{0.98}\\\\n = 122\ miles\)

Therefore, number of miles he drive the truck is 122 miles.

Answer: 40%

Step-by-step explanation: There is a pretty simple way of knowing this and basically you just remove a zero from the 400 and 1000 and you get 40 out of 100, meaning 40%, this does not work with calculating all percentages, only certain problems like this.

Answer:

ok, the y intercept is 0.9

Step-by-step explanation:

what are the dropdowns

The determinant of the given matrix is 24, and the inverse (if it exists) is [1/6 -1/24; 0 1/4].

To evaluate the determinant of a matrix, you can use the formula:

det(A) = ad - bc

where A is a 2x2 matrix [a b; c d]. In this case, the given matrix is:

[6 1; 0 4]

Using the formula, we can find the determinant:

det(A) = (6 * 4) - (1 * 0)
      = 24 - 0
      = 24

Now, to find the inverse of a 2x2 matrix, you can use the formula:

A^(-1) = (1/det(A)) * adj(A)

where A^(-1) is the inverse matrix, det(A) is the determinant of A, and adj(A) is the adjugate of A.

The adjugate of a 2x2 matrix [a b; c d] is given by:

adj(A) = [d -b; -c a]

Using the formula, we can find the adjugate:

adj(A) = [4 -1; 0 6]

Finally, we can find the inverse by multiplying the adjugate by the reciprocal of the determinant:

A^(-1) = (1/24) * [4 -1; 0 6]
      = [1/6 -1/24; 0 1/4]

Therefore, the determinant of the given matrix is 24, and the inverse (if it exists) is [1/6 -1/24; 0 1/4].

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Answer:

4/5-1/3=

12/15-5/15=7/5

Step-by-step explanation:

7/5

Hope this helps! =D

The two other roots of p(x) are 8 - 4√31 and 8 + 4√31. The smaller root is 8 - 4√31 and the larger root is 8 + 4√31. We can calculate it in the following manner.

We know that the sum of the roots of a polynomial with real coefficients is equal to the negative of the coefficient of the second-to-last term divided by the coefficient of the leading term.

Therefore, the sum of the roots of p(x) is:

1 + 7 + r1 + r2 = -(-24)/1 = 24

where r1 and r2 are the two other roots of the polynomial. We can rewrite this equation as:

r1 + r2 = 16

We also know that the product of the roots of a polynomial is equal to the constant term divided by the coefficient of the leading term. Therefore, the product of the roots of p(x) is:

1 x 7 x r1 x r2 = 7/1 = 7

We can rewrite this equation as:

r1 x r2 = 7/7 = 1

Now, we can use this information to write a quadratic factor of p(x) that has r1 and r2 as its roots. We know that:

(x - r1)(x - r2) = x^2 - (r1 + r2)x + r1r2

Substituting in the values we know, we get:

(x - r1)(x - r2) = x^2 - 16x + 1

Therefore, we have:

p(x) = (x^2 - 16x + 1)(x^2 - 16x + 238)

The roots of the second quadratic factor can be found using the quadratic formula:

x = (16 ± √(16^2 - 4(1)(238))) / 2

x = 8 ± √(496)

The smaller root is 8 - √(496), which can be simplified to:

8 - √(496) = 8 - 4√31

The larger root is 8 + √(496), which can be simplified to:

8 + √(496) = 8 + 4√31

Therefore, the two other roots of p(x) are 8 - 4√31 and 8 + 4√31. The smaller root is 8 - 4√31 and the larger root is 8 + 4√31.

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Answer: it is 29 dollars in total

Step-by-step explanation: hope its right, hope it helps, and ahve a good day!

the probability of picking a pitcher from the remaining cards is still 7/24. The probability that the next card Leslie looks at will be a pitcher is 7/24.

Leslie randomly looked at 24 cards out of 300, and she saw that 7 of them were pitchers. So, the probability of picking a pitcher from those 24 cards is 7/24. Since the remaining cards are still part of the same deck, and Leslie did not replace any of the cards she looked at, the probability of picking a pitcher from the remaining cards is still 7/24. Therefore, the probability that the next card Leslie looks at will be a pitcher is 7/24.

Step 1: Determine the total number of cards Leslie looked at, which is 24 (8 outfielders + 7 pitchers + 4 catchers + 5 infielders).
Step 2: Identify the number of pitchers, which is 7.
Step 3: Calculate the probability of picking a pitcher by dividing the number of pitchers by the total number of cards: 7 pitchers / 24 cards = 0.2917, or 29.17% when expressed as a percentage.

So, based on the data, the probability that the next card Leslie looks at will be a pitcher is approximately 29.17%.

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Answer:

35 ways

Step-by-step explanation:

Seven juniors to choose three from

  7 C 3 = 7! / ( 4! 3!) = 35

Answer:

step 2

Step-by-step explanation:

she multiplies by 2 instead of finding the square.

Answer:

70/3 πcm

Step-by-step explanation:

hope this helps

If a horizontal line can intersect the graph of the function only a single time, then the function is mapped as one-to-one.

Now, According to the question:

One to one function basically denotes the mapping of two sets. A function g is one-to-one if every element of the range of g corresponds to exactly one element of the domain of g. One-to-one is also written as 1-1. A function f() is a method, which relates elements/values of one variable to the elements/values of another variable, in such a way that the elements of the first variable identically determine the elements of the second variable.

Hence, If a horizontal line can intersect the graph of the function only a single time, then the function is mapped as one-to-one.

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