Solution-Amount spent on a resturant meal

Amount spent on a resturant meal

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Reference no: EM131533474

One year consumers spent an average of ?$22 on a meal at a resturant. Assume that the amount spent on a resturant meal is normally distributed and that the standard deviation is ?$6 Complete parts? (a) through? (c) below.

a. What is the probability that a randomly selected person spent more than ?$23?

?P(Xgreater than>?$23) =

?(Round to four decimal places as? needed.)

b. What is the probability that a randomly selected person spent between ?$7 and ?$20??

?P($7<X<?$20?) =

?(Round to four decimal places as? needed.)

c. Between what two values will the middle 95?% of the amounts of cash spent? fall?

The middle 95?% of the amounts of cash spent will fall between X =? $__ and X = $__ nothing.

?(Round to the nearest cent as? needed.)

Reference no: EM131533474

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Amount spent on a resturant meal

Reference no: EM131533474

Reference no: EM131533474

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