62. Tennis. A tennis player has taken a special course to improve her serving. She thinks that individual serves are independent of each other. She has been able to make a successful first serve 70% of the time. Use a Normal approximation to find the probability she'll make at least 65 of her first serves out of the 80 she serves in her next match if her success percentage has not changed.
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We are given that the tennis player makes a successful first serve 70% of the time, so p = 0.7. Show more…
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