A 001 significance level is used for a hypothesis test of th

A 0.01 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 less than 0.5. Assume that sample data consists of 45 girls in 100 births, so the sample statistic of 9/20 results in a z score that is 1 standard deviation below 0. Complete parts (a) through (h) below.

A) Identify the null and alterntive hyposthesis.

B) What is the value of a

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

a) x^2

b) normal distribution

c) Student (t) distribution

D) Is this 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?

H) What is the area of the critical region?

Solution