Jills bowling scores are approximately normallydistributed
Chapter 6, Problem 6.30(choose chapter or problem)
Jills bowling scores are approximately normallydistributed with mean 170 and standard deviation20, while Jacks scores are approximately normallydistributed with mean 160 and standard deviation15. If Jack and Jill each bowl one game, thenassuming that their scores are independent randomvariables, approximate the probability that(a) Jacks score is higher;(b) the total of their scores is above 350.
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