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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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In an August 2012 Gallup survey of 1,012 randomly selected U.S. adults (age 18 and over), 536 said that they were dissatisfied w
soldier1979 [14.2K]

Answer:

Yes, result is significant ; PVALUE < α

Step-by-step explanation:

Given :

x = 536

n = sample size = 1012

Phat = x / n = 536 / 1012 = 0.5296 = 0.53

H0 : P0 = 0.5

H1 : P0 > 0.5

Test statistic :

(Phat - P0) ÷ sqrt[(P0(1 - P0)) / n]

1-P0 = 1 - 0.5 = 0.5

(0.53 - 0.5) ÷ sqrt[(0.5*0.5)/1012]

0.03 ÷ 0.0157173

= 1.9087

Pvalue :

Using the Pvalue from test statistic :

Pvalue = 0.02815

To test if result is significant :

α = 0.05

0.02815 < 0.05

Pvalue < α ; Hence, result is significant at α=0.05; Hence, we reject H0.

3 0
3 years ago
Carlos has 24 balls of different colors: yellow, red, green, and blue. 17 balls are not red,10 balls are neither yellow nor blue
olga55 [171]

Answer:

10 green

Step-by-step explanation:

24 total balls. 17 Not red, so 24-17=7. 7 Red balls. That leaves 17 balls. 10 of them are neither yellow nor blue, and since the amount of red balls has been figured out, we do not need to account for them. 17 balls - 10 not yellow or blue equals 7 balls that can be yellow or blue. 17 balls left, minus the 7 yellow or blue balls equals 10.

6 0
3 years ago
6(6x−3)= helpppppppppppppp distibutive property again
bagirrra123 [75]

Answer:

6(6x-3)

=36x-18

Step-by-step explanation:

6(6x-3(

multiply 6 x 6 and 6 x 3

36x - 18

5 0
3 years ago
Which comparison is not correct?
strojnjashka [21]

Answer:

the 2 one is wrong

Step-by-step explanation:

the 2 would be greater than the 9 sense both the numbers are negative and the bigger the negative number is the less amount it is so -9 is smaller than -2

8 0
3 years ago
Find the cost of 25 shares of stock at 11 1/4 per share
musickatia [10]
I believe the answer is 2.222222222
4 0
3 years ago
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