Suppose a simple random sample of size n=64 is obtained from a population with p = 80 and o = 24. (a) Describe the sampling distribution of x.

(b) What is P (x> 85.55) ?

(c) What is P (xs73.4)?

(d) What is P (76.85

Find the nonpermissible replacement for binthis expression. b2/5b +5

Find the power set of each of these sets, where a and b are distinct elements. a) {a} b) {a, b} c) {1, 2, 3, 4} show steps

Identify the statement below as either descriptive or inferential statistics. upper a certain website sold an average of 117 books per day last week. is the statement an example of descriptive or inferential statistics? a. it is an example of descriptive statistics because it uses a sample to make a claim about a population. b. it is an example of inferential statistics because it uses a sample to make a claim about a population. c. it is an example of inferential statistics because it summarizes the information in a sample. d. it is an example of descriptive statistics because it summarizes the information in a sample.