(a) Write the claim mathematically and identify Upper H 0H0 and Upper H Subscript aHa. ​(b) Find the critical​ value(s) and identify the rejection​ region(s). (c) Find the standardized test...

(a) Write the claim mathematically and identify

and

​(b) Find the critical​ value(s) and identify the rejection​ region(s). (c) Find the standardized test statistic.​ (d) Decide whether to reject or fail to reject the null hypothesis.

In a sample of

home​ buyers, you find that

home buyers found their real estate agent through a friend. At

can you reject the claim that

of home buyers find their real estate agent through a​ friend?

​(a) Which of the following correctly states

and