Sam is a representative who sells large appliances such as refrigerators, stoves, and so f)1\"tl'l. Let X = number of appliances barn sells Du a given day. Let i : frequency with .Fhich Sam had the following sales reLord. K : 0 1 2 .j 4 5 El 7 f.7905_541241885 Assume that the sales record is representative of the population of all sales days. a. Use the relative frEquency (fin) to find PI:X; for X = 0 to 7. [n =9 f}. Round all answers to the nearest thousandth. b. Make a histogram to graph the probability distribution shown in part (a). c. compute the probability that X is between B and 7 [including 3 and 7). d. Compute the probability that X is less than 2. Complete the table below to answer parts (e) and (f). X90 PX XPtX) x uQQ (x- u )(square power) (X- u)squareP(X). e. Compute the expected value u of the probability distribution. f. Compute the standard deviation 0 of the probability distribution