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.
-Find the probability that one customer is in the regular checkout line.

Question

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. 
-Find the probability that one customer is in the regular checkout line.

Quizplus · Accepted Answer

The Answer of 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. 
-Find the probability that one customer is in the regular checkout line.

A Small Grocery Store Is Considering Installing an Express Checkout