hemical supply company currently has in stock 100 lb of a certain chemical, which it sells to customers in 6-lb batches. Let X the number of batches ordered by a randomly chosen customer, and suppose that owing pmf. 1 2 3 4 p(x) 0.3 0.5 0.1 0.1 mpute E(X) and V(X). batches batches? mpute the expected number of pounds left after the next customer's order is shipped and the variance of the number of pounds left. [Hint: The number of pounds left is a linear function of X.) pected weight left Ib riance of weight left Ib2

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