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A 0.05 significance level is used for a hypothesis test of the claim that when parents...

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 55 girls in 100 ​births, so the sample statistic of 11/20 (Fraction)
results in a z score that is 1 standard deviation above 0. Complete parts​ (a) through​ (h) below.

A. Identify the Null hypothesis and alternative

B. What is the value of alpha​?

C. What is the sampling distribution?

Normal Distribution, Student (t) distribution, or x^2

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 values? (round to three decimal places)

H. What is the area of the critical region? Round to two decimal places

Math   Statistics-And-Probability   
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