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White raven [17]
3 years ago
15

Compare the two tables shown below. Determine which table is proportional and which isn't by matching the correct label with the

correct table. Table A A Pounds of Apples Cost of Apples 2 $3.76 $5.64 4 $7.52 $9.40 Table B Number of pizza toppings Price of pizza 2 $11.99 $13.49 4 $14.99 5 $16.49 JFNSBD PLEASE HELP I NEED TO TURN THIS IN LIKE NOW
​
Mathematics
1 answer:
evablogger [386]3 years ago
4 0

Answer:

$,4680.0000

Step-by-step explanation:

$74590.07679

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In a sample of 42 water specimens taken from a construction site, 26 contained detectable levels of lead. Construct a 95% conden
S_A_V [24]

Answer:

The 95% confidence interval for the proportion of water specimens that contain detectable levels of lead is (0.472,0.766).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

In a sample of 42 water specimens taken from a construction site, 26 contained detectable levels of lead.

This means that n = 42, \pi = \frac{26}{42} = 0.619

95% confidence level

So \alpha = 0.05, z is the value of Z that has a pvalue of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.619 - 1.96\sqrt{\frac{0.619*0.381}{42}} = 0.472

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.619 + 1.96\sqrt{\frac{0.619*0.381}{42}} = 0.766

The 95% confidence interval for the proportion of water specimens that contain detectable levels of lead is (0.472,0.766).

4 0
3 years ago
What is the y-intercept of the graph that is shown below
Komok [63]

Answer: Where's the graph

Step-by-step explanation: Put up a graph

7 0
3 years ago
Francesca must buy over $55 worth of art supplies to qualify for free shipping
sattari [20]

Answer

the question isn't complete

Step-by-step explanation

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3 years ago
Find the perimeter of the shaded region. Round your answer to the nearest hundredth
DerKrebs [107]

Answer:

38 units

Step-by-step explanation:

13+13=26

6+6=12

26+12=38

4 0
2 years ago
How to find the surface area of a rectangular prism
pickupchik [31]

Answer:

A=2(wl+hl+hw)

Step-by-step explanation:

To find the surface area of a rectangular prism, measure the length, width, and height of the prism. Find the area of the top and bottom faces by multiplying the length and width of the prism. Then, calculate the area of the left and right faces by multiplying the width and height.

6 0
2 years ago
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