A 0.01 significance level is used for a hypothesis test of the claim that when P

Question

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 in greater than 0.5 Assume that sample data consists of 78 girls in 144 births, so the sample statistic of 13/24 result in a z score that is 1 standard deviation above 0.Complete parts (a) through (h) below. Normal distribution d. Is the test two-, left-, or right- ? Right- Two- Left- a. What is the value of the test statistic? The statistic is f. What is ea P-value? The P-value is

Explanation / Answer

The statistical software output for this problem is:

One sample proportion hypothesis test:
p : Proportion of successes
H0 : p = 0.5
HA : p > 0.5

Hypothesis test results:

0.1587

Hence,

Test statistic = 1

P - value = 0.1587

Critical value = 2.33

Area = 0.01

Proportion Count Total Sample Prop. Std. Err. Z-Stat P-value p 78 144 0.54166667 0.041666667 1

0.1587

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