comma to separate answers as needed.) Part 8
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 greater than 0.5. Assume that sample data consists of 78 girls in 144 births, so the sample statistic of
13
24 results in a z score that is 1 standard deviation above 0. Complete parts (a) through (h) below.
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Part 1
a. Identify the null hypothesis and the alternative hypothesis. Choose the correct answer below.
Part 7
g. What are the critical value(s)?
The critical value(s) is/are enter your response here.
(Round to two decimal places as needed. Use a comma to separate answers as needed.)
Part 8
h. What is the area of the critical region?
The area is enter your response here. (Round to two decimal places as needed.)
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