In the same year. Of the 258 million tons of waste generated 136 million tons ended up in a landfill. What is the percentage of waste that was landfilled

The branch of statistics that uses sample statistics to estimate a population parameter or test a hypothesis about such a parameter is best referred to as inferential statistics.

Therefore, the branch of statistics that uses sample statistics to estimate a population parameter or test a hypothesis about such a parameter is best referred to as inferential statistics.

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Population parameter in different scenarios are prevalence of Alzheimer's disease is people older than age 85, proportion of working speedometers on the D line, mean cost per cup of green tea, mean lifetime of laptop batteries, and mean time spent at the San Diego Zoo, respectively.  Sample statistic in different scenarios are 47.2% of the patients, 90% of the speedometers, the mean cost per cup of tea in a random sample of 19 green teas was reported to be 14 cents, mean lifetime of laptop batteries is 6.7 hours, the mean time spent at the zoo was reported to be 3.54 hours.

In statistics, it is important to distinguish between population parameters and sample statistics. A population parameter is a numerical measure that describes a characteristic of a population, while a sample statistic is a numerical measure that describes a characteristic of a sample.

In statement, a researcher in Boston conducted a study to investigate the prevalence of Alzheimer's disease in people older than the age of 85. The population parameter of interest is the prevalence of Alzheimer's disease in all people older than the age of 85. The sample statistic is the proportion of patients studied who experienced symptoms consistent with the disease, which is 47.2%.

In statement, the Metropolitan Transportation Authority reported that 90% of the speedometers on the D line do not work. The population parameter of interest is the proportion of working speedometers on the D line. The sample statistic is the proportion of non-working speedometers in the sample, which is 90%.

In statement, a consumer magazine tested a random sample of 19 green teas for taste and health benefits. The population parameter of interest is the mean cost per cup of all green teas. The sample statistic is the mean cost per cup of tea in the random sample, which was reported to be 14 cents.

In statement, a computer manufacturer claims that the mean lifetime of laptop batteries is 6.7 hours. The population parameter of interest is the true mean lifetime of all laptop batteries produced by the manufacturer. The sample statistic is the manufacturer's claim of the mean lifetime, which is 6.7 hours.

In statement, a random sample of people visiting the San Diego Zoo was obtained, and the mean time spent at the zoo was reported to be 3.54 hours. The population parameter of interest is the mean time spent at the zoo by all visitors. The sample statistic is the mean time spent at the zoo in the sample, which was reported to be 3.54 hours.

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option B correctly expresses the relationship between the value and the number of years, where the number of years is equal to the value divided by 12.53. The equation that correctly expresses the relationship between the two variables is option B: Number of years = value/12.53.

This equation is a straightforward representation of the relationship between the value and the number of years. It states that the number of years is equal to the value divided by 12.53.

To understand this equation, let's look at an example. If the value is 120, we can substitute this value into the equation to find the number of years. By dividing 120 by 12.53, we get approximately 9.59 years.

Therefore, if the value is 120, the corresponding number of years would be approximately 9.59.

In summary, option B correctly expresses the relationship between the value and the number of years, where the number of years is equal to the value divided by 12.53.

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Answer:

Step-by-step explanation:

Equation of a line is y = mx + c

where

m is the slope

c is the y intercept

First of all to find the equation of the line we must first find the slope.

The slope of the line using points

(0,-2) (8,-4) is

Now using one of the points and the slope we can find the equation of the line.

Equation of the line using point (0 , - 2) and slope - 1/4 is

We have the final answer as

Hope this helps you

The total demand rate per day for assistants is option (b) 15

To determine the total demand rate per day for assistants, we need to calculate the number of customers who require assistance to complete a purchase and those who need assistance but leave without making a purchase.

10% of the 100 customers need assistance to complete a purchase, which is 10 customers per day.

5% of the 100 customers need assistance but leave without making a purchase, which is 5 customers per day.

Thus, the total demand rate per day for assistants is 10 + 5 = 15 customers per day.

Therefore, the correct option is (b) 15

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Answer:

y=1x+1

Step-by-step explanation:

We already know the Y intercept is 1 from the first set of points given

The change in x is 2 and the change in Y is also 2 so when you make the slope equation y/x you get 1

Pluggin in the numbers you get: y=1x+1

Answer:

3/-7

Step-by-step explanation:

Using the equation \(M=\frac{Y_{2}-Y_{1}}{X_{2}-X_{1}}\) where M is slope, you take (1--2) 1+2/1-8 and you get 3/-7.

I would choose the western side to climb because it is less steep then others.

In mathematics, a line's steepness is determined by its slope (or gradient). The slope is the ratio of any two points on a line's vertical and horizontal distances. A line's steepness can be determined by looking at its slope. Slope is calculated mathematically as "rise over run" (change in y divided by change in x). The slope's absolute value serves as a gauge for a line's steepness, incline, or grade. A steeper line is indicated by a slope with a higher absolute value. A line can be drawn with one of four directions: upward, downward, horizontal, or vertical. If a line rises from left to right, it is said to be increasing.

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The fraction which should go into the boxes marked A and B in their simplest form is 3/4 and 1/4 respectively.

Total number of fruits Amy has = 10

Number of Apples = 7

Number of Oranges = 3

First random pieces of fruits chosen:

Probability of choosing Apples = 6/9

Probability of choosing Oranges = 3/9

Second random pieces of fruits chosen:

Probability of choosing Apples = 6/8

= 3/4

Probability of choosing Oranges = 2/8

= 1/4

Therefore, the probability of choosing Apples or oranges as the second piece is 3/4 or 1/4 respectively.

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Answer: Find the square root of 60i-11

Step-by-step explanation:

i is imaginary number

you can't find the square root of i because i is an imaginary number unless you put sqrt(i)

To determine whether the vectors (-2,1,-1) and (0,3,1) are parallel, we need to compare their direction. If they have different directions, they are not parallel. the correct answer is option c) Not parallel.

To check if two vectors are parallel, we can compare their direction vectors. The direction vector of a vector can be obtained by dividing each component of the vector by its magnitude. In this case, let's calculate the direction vectors of the given vectors.

The direction vector of (-2,1,-1) is obtained by dividing each component by the magnitude:

Direction vector of (-2,1,-1) = (-2/√6, 1/√6, -1/√6)

The direction vector of (0,3,1) is obtained by dividing each component by the magnitude:

Direction vector of (0,3,1) = (0, 3/√10, 1/√10)

Comparing the direction vectors, we can see that they are not equal. Therefore, the vectors (-2,1,-1) and (0,3,1) are not parallel. Hence, the correct answer is option c) Not parallel.

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Answer:

Step-by-step explanation:

Using a matrix to solve the ax = b in this case is given as x₁ = (43)/3. See the explanation below.

A matrix is a set of integers that are organized in rows and columns to form a rectangular array.

\(\begin{bmatrix} 1& 1& 1\\ 1& 4& -1\\ 1& -1& 2\end{bmatrix}\begin{bmatrix} 1\\ 2\\3\end{bmatrix}\)

R₁ → R₂ - R₁, R₃ → R₃ - R₁

\(\begin{bmatrix} 1& 1& 1\\ 0& 3& -2\\ 0& -2& 1\end{bmatrix}\begin{bmatrix} 1\\ 1\\2\end{bmatrix}\)

R₃ → 3R₃+2R₂

\(\begin{bmatrix} 1& 1& 1\\ 0& 3& -2\\ 0& 0& 1\end{bmatrix}\begin{bmatrix} 1\\ 1\\8\end{bmatrix}\)

⇒ -X₃ = 8

⇒ X₃ = -8

3x₂ + 16 = 0

⇒ x₂ =  -16/3

Hence

X₁ + X₂ + X₃ = 1

Therefore

X₁ - (16/3) - 8 = 1

⇒ X1 - (40/3) = 1

⇒ X₁ = 1 + (40/3)

= 43/3

⇒ X₁ = 43/3

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Answer:

True

Step-by-step explanation:

\(\frac{x - y }{x + y}=-1\)        ---------------(I)

Cross multiply

x - y = -1*(x + y)

x - y = (-1)*x + y * (-1)

x - y = -x - y

x - y + x = - y

2x - y = -y

2x  = -y + y

2x = 0

x = 0

Plugin x = 0 in (I)

\(\frac{0-y}{0+ y} = -1\\\\\frac{-y}{y}=-1\\\\-1 = -1\)

So , true

Step-by-step explanation:

This is true. -1 =-1

The most general antiderivative of f(x) = (5/2)sqrt(x) + 2sec^2(x) is:

F(x) = (5/3)x^(3/2) + 2tan(x) + C

To find the most general antiderivative of the function f(x) = (5/2)sqrt(x) + 2sec^2(x), we can integrate each term separately.

The antiderivative of (5/2)sqrt(x) can be found using the power rule of integration. We add 1 to the exponent (1/2) and divide by the new exponent:

∫(5/2)sqrt(x) dx = (5/2) * (2/3)x^(3/2) + C = (5/3)x^(3/2) + C

The antiderivative of 2sec^2(x) can be found using the integral of the secant squared function, which is the tangent function:

∫2sec^2(x) dx = 2tan(x) + C

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The best description of the probability of drawing a king from the deck is 1 out of 13, or 1/13.

The probability of drawing a king from a standard deck of 52 playing cards can be determined by dividing the number of favorable outcomes (number of kings) by the total number of possible outcomes (total number of cards in the deck).

In a standard deck, there are 4 kings (one king for each suit: hearts, diamonds, clubs, and spades). Therefore, the number of favorable outcomes is 4.

The total number of possible outcomes is 52 (the total number of cards in the deck).

So, the probability of drawing a king is:

Probability = Number of favorable outcomes / Total number of possible outcomes

Probability = 4 / 52

Simplifying the fraction gives us:

Probability = 1 / 13

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Answer:

2.9= -2b +4.1

-4.1         -4.1

-1.5 = -2b

divide both sides by -2

.75= b

Patrick received a total of approximately $6,785.97 over the course of 52 weeks.

To calculate the total amount of money Patrick received over the 52 weeks, we can use the concept of a geometric sequence. The first term of the sequence is $10, and each subsequent term is 10% more than the previous term.

To find the sum of a geometric sequence, we can use the formula:

Sn = a * (r^n - 1) / (r - 1),

where Sn is the sum of the first n terms, a is the first term, r is the common ratio, and n is the number of terms.

In this case, a = $10, r = 1 + 10% = 1.1 (common ratio), and n = 52 (number of weeks).

Plugging these values into the formula, we can calculate the sum of the sequence:

S52 = 10 * (1.1^52 - 1) / (1.1 - 1)

After evaluating this expression, we find that Patrick received approximately $6,785.97 over the 52 weeks.

As a result, Patrick collected about $6,785.97 in total over the course of 52 weeks.

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Answer:

\(1 \frac{1}{2} \\ \)

Step-by-step explanation:

\( \frac{ \frac{ - 3}{8} }{ \frac{ - 1}{4} } \\ \frac{ - 3}{8} \div \frac{ - 1}{4} \\ \frac{ - 3}{8} \times \frac{4}{ - 1} \\ \frac{ - 3}{2} \times \frac{1}{ - 1} \\ \frac{ - 3}{ - 2} \\ \frac{3}{2} \\ 1 \frac{1}{2} \)

The statements that are true about automata and formal languages are b, c and d

The term empty does not exist in any language. There are dialects that do not use the empty word in their lexicon. The empty word, for instance, would not exist in a language where all words have lengths higher than zero.  There exist Irregular finite languages. A language with all possible combinations of a limited number of symbols is one example.

While this language is finite, a conventional grammar cannot adequately define it. Additionally, contextless languages are a subset of regular languages. Because of this, there are irregular context-free languages. A regular grammar can be used to describe L1 if L1 is a subset of L2 and L2 is regular.

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Complete Question:

Which of the following statements about automata and formal languages are true? Briefly justify your answers. Answers without any substantiation will not achieve points!

(a) Every language contains the empty word.

(b) There exist finite languages which are not regular.

(c) Not every context free language is regular.

(d) For two arbitrary languages L1 and L2 the following always holds: If L1 <L2, L2 is regular than L1 is also regular.

(e) Let L = (ba) be a language which contains only one word. There exists only one (unique) regular expression which generates L, and this expression is a = ba.

According to the information of the graph we can infer that Neighborhood A appears to have a bigger family size.

According to the information we can infer that the average family size in Neighborhoods are:

Additionally, the largest family size in Neighborhood A is 6, whereas the largest family size in Neighborhood B is 6 as well. These facts indicate that, on average, and in terms of the maximum family size, Neighborhood A has a larger family size compared to Neighborhood B.

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The total number of miles that Parker would have to run is given as follows:

88.41 miles.

A geometric sequence is a sequence of numbers where each term is obtained by multiplying the previous term by a fixed number called the common ratio q.

As the number of miles increases by 5% each week, the common ratio is obtained as follows:

100% + 5% = 105% = 1.05.

Hence the number of miles each week is given as follows:

Then the total number of miles is given as follows:

16 + 16.8 + 17.64 + 18.52 + 19.45 = 88.41 miles.

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Answer:

P = 10%

Step-by-step explanation:

Of means multiply and is means equals

P * 80 = 8

Divide each side by 80

P = 8/80

P = .1

Change to percent form

P = 10%

Answer:

Hi sorry

Step-by-step explanation:

sorry bhai plzzzzxxxxxxzzzzzzzzzzzzzzzztry ur best

The correct answer is:

c. The z-value for a standard normal distribution can be either positive or negative.

The z-value, also known as the standard score, measures the distance between a data point and the mean of its distribution in units of standard deviation. It is calculated by subtracting the population mean from the data point and then dividing the result by the standard deviation.

Since the mean of a standard normal distribution is zero, the z-value simply represents the number of standard deviations a data point is from the mean. As a result, the z-value can be either positive or negative, depending on whether the data point is above or below the mean, respectively.

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the cell in g1 in a 2n=4 configuration

The below illustration represents a cell in the G1 phase with a 2n=4 configuration.

To draw a cell in the G1 phase with a 2n=4 configuration, follow these steps:

1. Begin by drawing a circular or oval shape to represent the cell.

2. Inside the cell, draw a smaller circle or oval to represent the nucleus.

3. In the nucleus, draw four chromosomes (X-shaped structures) to represent the 2n=4 configuration.

Since it is in the G1 phase, the chromosomes have not duplicated yet.

4. Label the cell as "G1" to indicate that it is in the G1 phase of the cell cycle.

This illustration represents a cell in the G1 phase with a 2n=4 configuration.

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The required simplified value of the given expressions is a) 12⁶, b) -6, c) (-3/4)³ and d) 1.

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

here,
(a)
=12⁸ / 12²
= 12⁶

(b)
= (-6)⁵ / (-6)²/(-6)²
= (-6)

c)
= (-3/4)⁴/(-3/4)
= (-3/4)³

d)
= [0.1⁶ / 0.1⁴] / 0.1²
= 1

Thus, the required simplified value of the given expression is a) 12⁶, b) -6, c) (-3/4)³ and d) 1.

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Let \(a\) be the first term in the series and \(r\) the common ratio. Then the infinite series converges to

\(a + ar + ar^2 + ar^3 + ar^4 + ar^5 + \cdots = \dfrac a{1-r}\)

Removing the first three terms from the left side effectively multiplies the right side by 27, so

\(ar^3 + ar^4 + ar^5 + \cdots = \dfrac{27a}{1-r}\)

By elimination,

\(a + ar + ar^2 = -\dfrac{26a}{1-r}\)

Solve for \(r\). We can eliminate \(a\) so that

\(1 + r + r^2 = -\dfrac{26}{1-r} \\\\ \implies 1-r^3 = -26 \\\\ \implies r^3 - 27 = 0 \\\\ \implies r^3 = 27 \implies \boxed{r=3}\)

Answer:

565.2

Step-by-step explanation:

The circumference of a circle is given by

C = 2 * pi * r

C = 2 * (3.14) * 90

C =565.2

Answer:

565.2

Step-by-step explanation:

Given,

Radius ( r ) = 90

π = 3.14

To find : Circumference of a circle

Formula

Circumference of a circle = 2πr

Circumference of a circle

= 2 x 3.14 x 90

= 6.28 x 90

= 565.2