A. Identify the null hypothesis and the alternative hypothesis.

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A 0.05 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender selection, the proportion of baby girls is different from 0.5. Assume that sample data consists of 66 girls in 144 births, so the sample statistic of 11/24 results in a z score that is 1 standard deviation below 0. Complete parts (a) through (h) below.

A. Identify the null hypothesis and the alternative hypothesis. 

 

B. What is the value of α?

C. What is the sampling distribution of the sample statistic?

 

D. Is the test two-tailed, left-tailed, or right-tailed?

e. What is the value of the test statistic?

F. What is the P-value?

 

G. What are the critical value(s)?

 

H. What is the area of the critical region?

 

  • 6 years ago
A. Identify the null hypothesis and the alternative hypothesis.
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