8.1.15 Suppose a simple random sample of size n 49 is obtained from a population with u 79 and a =14. (a) Describe the sampling distribution of x. (b) What is P (x> 82.9)? (c) What is P (xs74.7)? (d)...

Extracted text: 8.1.15 Suppose a simple random sample of size n 49 is obtained from a population with u 79 and a =14. (a) Describe the sampling distribution of x. (b) What is P (x> 82.9)? (c) What is P (xs74.7)? (d) What is P (76.3 <>< 83.8)?="" (a)="" choose="" the="" correct="" description="" of="" the="" shape="" of="" the="" sampling="" distribution="" of="" x.="" ca.="" the="" distribution="" is="" approximately="" normal.="" o="" b.="" the="" distribution="" is="" uniform.="" 9="" c.="" the="" distribution="" is="" skewed="" left.="" c)="" d.="" the="" distribution="" is="" skewed="" right.="" o="" e="" the="" shape="" of="" the="" distribution="" is="" unknown.="" find="" the="" mean="" and="" standard="" deviation="" of="" the="" sampling="" distribution="" of="" x.="" 79="" 2="" (round="" to="" four="" decimal="" places="" as="" needed.)="" (b)="" p="" (x="">82.9)= Enter your answer In the answer box and then click Check Answer. Clear All parts remaining