Mathematics, 08.11.2019 05:31, oof5221

Kim has a strong first serve; whenever it is good (that is, in) she wins the point 70% of the time. whenever her second serve is good, she wins the point 40% of the time. fifty dash five percent of her first serves and 70% of her second serves are good. (a) what is the probability that kim wins the point when she serves? (b) if kim wins a service point, what is the probability that her 1st serve was good?

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Kim has a strong first serve; whenever it is good (that is, in) she wins the point 70% of the time....