Question: QUESTION 3 A small grocery store is considering installing an express checkout line. Let X be the number of customers in the regular checkout line.

QUESTION 3 A small grocery store is considering installing an express checkout line. Let X be the number of customers in the regular checkout line. Note that these numbers include the customers being served, if any. The probability distribution of X is given in the table below. X 2 P(X=X) 0.28 10.22 0.26 0.24 On average, how many customers would you expect to see in line? (Decimal points are allowed) O a. 0 O b. 0.72 O c. 1.24 O d. 1.46

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