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

Question

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 greatergreater than 0.5. Assume that sample data consists of 45 girls in 81 births, so the sample statistic of 5/9 results in a z score that is 1 standard deviation bove 0.

please answer all parts a through h ty need asap

1. Identify the null hypothesis and the alternative hypothesis. Choose the correct answer below.

A: H0: p0.5 H1: p>0.5
B.H0: p=0.5 H1: p<0.5
C. H0: p=0.5 H1: p0.5
D. H0: p=0.5 H1: p>0.5

2.. What is the value of ? = ________(Type an integer or a decimal.)

3.What is the sampling distribution of the sample statistic?
a.Student (t) distribution
b.Normal distribution
c. 2

4.. Is the test two-tailed, left-tailed, or right-tailed?
a.Two-tailed
b.LeftLeft-tailed
c.RightRight-tailed

5.. What is the value of the test statistic?
a. The test statistic is ________ .(Type an integer or a decimal.)

6.. What is the P-value? The P-value is_______ .(Round to four decimal places as needed.)

7.. What are the critical value(s)? The critical value(s) is/are _______(Round to two decimal places as needed. Use a comma to separate answers as needed.) there are two answers here

8. . What is the area of the critical region? The area is __________(Round to two decimal places as needed.)

NEED ASAP PLEASE ANSWER ALL QUESTIONS 8 IN TOTAL TY

Explanation / Answer

1)D. H0: p=0.5 H1: p>0.5

2)What is the value of ? = 0.05

3)sampling distribution of the sample statistic b.Normal distribution

4)c.RightRight-tailed

5)test stat =1

6)p vlaue =0.1587

7) critical value =1.64

8)area of critical refion =0.05

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