Question
Asked Dec 12, 2019
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Please answer number 15. 

15) A random sample of 400 Fresno State students revealed that 228 were female. Test the
claim that more than 50% of Fresno State students are female using a 0.05 level of significance.
MacBook Air
F12
FI1
II
F8
F10
F9
F7
F6
20
F3
F5
F4
esc
F2
F1
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15) A random sample of 400 Fresno State students revealed that 228 were female. Test the claim that more than 50% of Fresno State students are female using a 0.05 level of significance. MacBook Air F12 FI1 II F8 F10 F9 F7 F6 20 F3 F5 F4 esc F2 F1

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Expert Answer

Step 1

The hypotheses are given below:

Null hypothesis:

H0 : p = 0.50.

Alternative hypothesis:

Ha : p > 0.50.

Step 2

The test statistic value is ...

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(p--os5) p- p 228 = 0.57 P(1-p) n 400 0.57-0.50 0.50(1-0.50) 400 = 2.80

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