What is the probability that a randomly selected person

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One year consumers spent an average of ?$24 on a meal at a restaurant. Assume that the amount spent on a restaurant meal is normally distributed and that the standard deviation is ?$5. Complete parts? (a) and? (b) below.

a. What is the probability that a randomly selected person spent more than ?$28?

?P(X >? $28) =

b. What is the probability that a randomly selected person spent between ?$12 and ?$21?

?P($12 < X <?$21) =

Reference no: EM131887026

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