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Mamont248 [21]
3 years ago
5

The scatterplot models the relationship between the length of a Louisiana alligator and the width of the alligators belly.Which

is the approximate slope of the line of best fit.
A: -1

B: 3

C: 2/3

D: 3/10
Mathematics
2 answers:
IceJOKER [234]3 years ago
8 0
C I believe Hopefully
erastovalidia [21]3 years ago
4 0

Answer:

c

Step-by-step explanation:

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The administration at Pierce College conducted a survey to determine the proportion of students who ride a bike to campus. Of th
8_murik_8 [283]

Answer:

The correct option is (D).

Step-by-step explanation:

To construct the (1 - <em>α</em>)% confidence interval for population proportion the distribution of proportions must be approximated by the normal distribution.

A Normal approximation to binomial can be applied to approximate the distribution of proportion <em>p</em>, if the following conditions are satisfied:

  • n\hat p \geq 10
  • n ( 1 - \hat p) \geq 10

In this case <em>p</em> is defined as the proportions of students who ride a bike to campus.

A sample of <em>n</em> = 125 students are selected. Of these 125 students <em>X</em> = 6 ride a bike to campus.

Compute the sample proportion as follows:

\hat p=\frac{X}{n}=\frac{6}{125}=0.048

Check whether the conditions of Normal approximation are satisfied:

n\hat p =125\times 0.048=610

Since n\hat p, the Normal approximation to Binomial cannot be applied.

Thus, the confidence interval cannot be used to estimate the proportion of all students who ride a bike to campus.

Thus, the correct option is (D).

6 0
3 years ago
7/21 equivalent fractions<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B7%7D%7B%3F21%7D%20" id="TexFormula1" title=" \frac{7
pashok25 [27]

Answer:

1/103

Step-by-step explanation:

7/721=1/103

6 0
3 years ago
A square with side x, is changing with time where x(t)=3t+1. What is the formula for the rate of change of the area of the squar
lawyer [7]

Answer:

  A' = 6(3t +1)

Step-by-step explanation:

The area is the square of the side length, so ...

  A = (3t +1)²

The derivative with respect to t is then

  A' = 2(3t +1)·(3) = 6(3t +1)

If you like, you can multiply out the area expression first, then differentiate.

  A = 9t² +6t +1

  A' = 18t +6

This can be factored, if you like, to ...

  A' = 6(3t +1)

5 0
3 years ago
You are shopping at a department store and all items currently are being sold at full price. You discover that next week the dep
MAVERICK [17]

Answer:

$10.45

Step-by-step explanation:

You need to add up the total price before the sale and after then subtract

<em>18.95 + 7.99 = </em><em>$26.94</em>

<em>8.99 + 7.50 = </em><em>$16.49</em>

<em>26.94 - 16.49 = </em><em>$10.45</em>

<em />

4 0
3 years ago
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77julia77 [94]

Write the equation of the line through (5,-4); m = 1

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