Question: Michael would like to know the mean bowling score for a city-wide league in his area. From past studies, Michael knows the bowling scores' population

Michael would like to know the mean bowling score for a city-wide league in his area. From past studies, Michael knows the bowling scores' population standard deviation to be 54 pins.

(a) Assuming that he would like to be 98% confident of the results, give the critical value that corresponds to this level of confidence? Round to two decimals and remember that critical values are defined to be positive.

(b) If he would like to have a maximum error of 12 pins, how many games should he sample?

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