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Alona [7]
4 years ago
14

A university financial aid office polled a random sample of 759 male undergraduate students and 836 female undergraduate student

s. Each of the students was asked whether or not they were employed during the previous summer. 439 of the male students and 394 of the female students said that they had worked during the previous summer. Give a 99% confidence interval for the difference between the proportions of male and female students who were employed during the summer. Step 3 of 4 : Find the value of the standard error. Round your answer to three decimal places.
Mathematics
1 answer:
Bess [88]4 years ago
5 0

Answer:

Step-by-step explanation:

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60 miles = kilometers
Nadya [2.5K]

Answer:

60 miles is 96.6 kilometers

Step-by-step explanation:


7 0
3 years ago
Read 2 more answers
A student wondered if more than​ 10% of students enrolled in an introductory Chemistry class dropped before the midterm. He noti
Ilia_Sergeevich [38]

Answer:

C.It is a​ one-tailed test since the alternative hypothesis states that the parameter is greater than the hypothesized value.

Step-by-step explanation:

Let p be the percentage of students enrolled in an introductory Chemistry class dropped before the midterm. Then null and alternative hypotheses are:

H_{0}: p=10%

H_{a}: p>10%

The alternative hypothesis states that the parameter is greater than the hypothesized value.

3 0
3 years ago
Find the point on the plane 2x+5y+z=8 that is nearest to​ (2,0,1).
Svetach [21]

Answer:

(2.2, 0.5, 1.1)

Step-by-step explanation:

The parametric equation of the line normal to the plane and through point (2, 0, 1) can be written ...

... L = (2, 0, 1) + t(2, 5, 1)

We want to find the value of t (and the corresponding point) that makes L satisfy the equation of the plane.

... 2(2+2t) +5(0 +5t) +1(1+t) = 8 . . . . . put values from L in for x, y, z in plane

... 5 + 30t = 8 . . . . . simplify

... t = (8 -5)/30 = 0.1 . . . . solve for t (subtract 5, divide by 30)

For this value of t, L is ...

... (2, 0, 1) + 0.1(2, 5, 1) = (2.2, 0.5, 1.1)

5 0
3 years ago
5 The soccer team is
olga_2 [115]

Answer

$314.50

Step-by-step explanation:

10/$185 = 17/x

u should cross multiply and get

10x=3145

so divide both sides by 10 and your answer should be

$314.50

8 0
3 years ago
Laura picks 7 apples.Some apples are red and some are green. Fewer than 4 of the apples are red. How many of laura's apples coul
GrogVix [38]

Answer:

As many as 7 apples or as few as 4 apples could be green.

Step-by-step explanation:

Laura picks 7 apples.Some apples are red and some are green. Fewer than 4 of the apples are red. How many of laura's apples could be green?​

x = total number of red apples

y = total number of green apples

Fewer than 4 of the apples are red.

x<4

That means that 3 or less of the apples are red

So, 7 - 3 = 4

That means that 4 or more apples are green.

7≥y≥4

That means that as many as 7 apples or as few as 4 apples could be green.

7 0
3 years ago
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