An applience store has a rule that any credit purchase over, Ask an Expert

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An applience store has a rule that any credit purchase over $200 needs to be approved by the supervisor. It is known that credit purchases are normally distributed with mean $130 and standard deviation $50.

A.) What proportion of credit purchases must be approved by the supervisor?

B.) 3 credit sales are made. what is the probability that approval is needed at least once?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91110504

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