Explain how to perform a two-sample z-test for the difference between two population means using independent samples with and sigma_{2}

4+n=5

step-by-step explanation:

this is because the four is four hours and the n represents the 1 extra hour over the weekend.

b= i'm srry i don't know that one.

4+n=5 n=1 because if vernon plays 5 hours a week then 4+1=5 hours.

hope this : )

i’m here for points.

never fear papaguy is here

answer