1. Themean height of femalesin a certain country is66 incheswith astandard deviation of 4 inches. Find the height that correspond to az score of 1.Round your answer to two decimal places, if needed.
2. Gender Selection Problem

A company claims when parents use their gender selection method, the chances of having a girl will increase. Assume boy and girl births are equally likely so the proportion of girl births in any population is 50%. In a clinical trial of 121 births for parents who used the gender selection method, 76 were girls.

State the claim, null, and alternative hypothesis.

Claim:

p [">", "<", "=", ""] 0.5

HO:

p [">", "=", "", "<"] 0.5

H1:

p ["=", "", "<", ">"] 0.5

Determine thep-value.

Round your answer to 4 decimal places.

Using asignificance level of 0.01, state thefinal conclusionregarding the claim.

["Fail to reject", "Reject"] the HOsince the p-value is

["greater than", "less than"] the significance level

.