At Mom’s diner, everyone drinks coffee. Let ? = the event that a randomly
selected customer puts cream in their coffee. Let ? = the event that a randomly selected customer puts sugar in their coffee. Suppose that after years of collecting data, Mom has estimated the following probabilities: ?(?) = 0.6 ?(?) = 0.5 ?(? ?? ?) = 0.7 What is the probability that a randomly selected customer puts both sugar and cream in their coffee? Round your answer to one decimal place.
P(C and S) = P(C) + P(S)  P(C or S)
= 0.6 + 0.5  0.7 {substituted values in} = 0.4 {added and subtracted} Ask Algebra House
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