For each of the following, calculate x, 2x, and x by using the formulas given in this

Question:

For each of the following, calculate μx, σ2x, and σx by using the formulas given in this section. Then (l) interpret the meaning of fig, and (2) find the probability that X falls in the interval [μx ± 2σx].
a. The situation of Exercise 5.24, where x = the number of the six customers who will make a purchase.
b. The situation of Exercise 5.25, where x = the number of 15 sampled customers whose complaints were resolved to the customer's satisfaction.
c. The situation of Exercise 5.26, where x - the number of the 24 randomly selected golf balls (hat exceed 1.62 oz. in weight.