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Irina-Kira [14]
3 years ago
15

Let π denote some population proportion of interest and suppose a 99% confidence interval for π is calculated to be (0.60, 0.70)

. Also, suppose that we want to test H0: π = 0.74 vs. Ha: π ≠ 0.74 What can you say about the corresponding p-value?

Mathematics
1 answer:
scZoUnD [109]3 years ago
3 0

Answer:

The corresponding p-value will be smaller than 0.01.

Step-by-step explanation:

See attached picture for explanation.

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A building 50 feet high casts a shadow 68 feet long. Find the measure of the angle of elevation of the sun. Round answer to near
Vedmedyk [2.9K]

Answer:

36 °

Step-by-step explanation:

In this case a rectangular triangle is formed so we can use the trigonometric functions to calculate the angle, they give us the value of the two legs, therefore we can apply the tangent function.

Tan A ° = opposite / adjacent

replacing:

Tan A ° = 50/68

Tan A ° = 0.735

A ° = arc tan (0.735)

A ° = 36.32

Which means that the angle of inclination is 36°

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Z = m + x solve for x
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Answer:

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Step-by-step explanation:

7 0
3 years ago
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Polygon ABCD slides 4 units left and 3 units up on the coordinate plane. If the original measure of angle A was 75 degrees, what
dalvyx [7]

Answer:

A 75

Step-by-step explanation:

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What is 0.004% of 6800 round to the nearest hundredth
Elis [28]
Just remember that the word "of" means "multiply" in mathematical terms 
Now lets get started working out this problem of yours 
0.004(6800) \\ \frac{0.004}{100} = 0.00004 0.00004(6800)  \\ Actual Answer: 0.272 \\ Rounded Answer: 0.72

Also, remember: 5 and down is rounded to 0  | 6 and up is going closer to 10
7 0
3 years ago
Write an equation of the line passing through each of the following pairs of points.
slavikrds [6]

Answer:

y=\frac{1}{3}+\frac{13}{3}

Step-by-step explanation:

We want to write the equation of a line that passes through (5, 6) and (-1, 4).

First, let's find our slope. We can use the slope formula:

m=\frac{y_2-y_1}{x_2-x_1}

Let's let (5, 6) be (x₁, y₁) and let's let (-1, 4) be (x₂, y₂). So, our slope is:

m=\frac{4-6}{-1-5}

Subtract:

m=-2/-6

Reduce:

m=1/3

So, our slope is 1/3.

Now, we can use the point-slope form, which is:

y-y_1=m(x-x_1)

For consistency, let's let (5, 6) be (x₁, y₁). We will also substitute 1/3 for m. So:

y-6=\frac{1}{3}(x-5)

Distribute:

y-6=\frac{1}{3}x-\frac{5}{3}

Add 6 to both sides:

y=\frac{1}{3}x-\frac{5}{3}+\frac{18}{3}

Add:

y=\frac{1}{3}+\frac{13}{3}

And we're done!

5 0
3 years ago
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