1. Daily sales records for a car dealership show that it will sell 0, 1, …
1. Daily sales records for a car dealership show that it will sell 0, 1, 2, or 3 cars, with probabilities as listed: Number of Repairs(X) 0 1 2 3 p(x) 0.5 0.3 0.1 0.1 a. Find the probability distribution for X, the number of sales in a two-day period, assuming the sales are independent from day to day. b. Graph the probability distribution. c. What is the F(x) for the number of sales in a two-day period? d. Graph the cumulative probability distribution. e. Find the probability that at least one sale is made in the next two days.
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