A 0 1 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 results in a z score that is 1 standard deviation above 0 Complete parts (a) through (h) below Identify the null hypothesis and the alternative hypothesis Choose the correct answer below A Upper H 0 H0 p not equals 0 5 Upper H 1 H1 p equals 0 5 B Upper H 0 H0 p equals 0 5 Upper H 1 H1 p greater than 0 5 C Upper H 0 H0 p equals 0 5 Upper H 1 H1 p less than 0 5 D Upper H 0 H0 p equals 0 5 Upper H 1 H1 p not equals 0 5 b What is the value of c What is the sampling distribution of the samplestatistic Normal distribution Student(t) distribution 2 d Is the testtwo tailed, left tailed, orright tailed Left tailed Right tailed Two tailed e What is the value of the teststatistic The test statistic is f What is theP value TheP value is g What are the criticalvalue(s) The criticalvalue(s) is are h What is the area of the criticalregion The area is

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Question: A 0.1 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender selection, the proportion

A 0.1 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 results in a z score that is 1 standard deviation above 0. Complete parts (a) through (h) below.

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

Upper H 0

H0: p not equals

0.5

Upper H 1

H1: p equals

=0.5

Upper H 0

H0: p equals

=0.5

Upper H 1

H1: p greater than

>0.5

Upper H 0

H0: p equals

=0.5

Upper H 1

H1: p less than

0.5

Upper H 0

H0: p equals

=0.5

Upper H 1

H1: p not equals

0.5

b. What is the value of ?

c. What is the sampling distribution of the samplestatistic?

Normal distribution

Student(t) distribution

d. Is the testtwo-tailed, left-tailed, orright-tailed?

Left-tailed

Right-tailed

Two-tailed

e. What is the value of the teststatistic?

The test statistic is?

f. What is theP-value?

TheP-value is?

g. What are the criticalvalue(s)?

The criticalvalue(s) is/are?

h. What is the area of the criticalregion?

The area is?

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