Mathematics, 04.02.2020 05:55 deena7
Ace! professional tennis player rafael nadal hits the ball extremely hard. his first-serve speeds follow a normal distribution with mean 115 miles per hour (mph) and standard deviation 6 mph. choose one of nadal’s first serves at random. let y = its speed, measured in miles per hour. find p(y > 121) and interpret the result. what is p(y ≥ 121)? explain. find the value of c such that p(y ≤ c) = 0.15. show your work
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Ace! professional tennis player rafael nadal hits the ball extremely hard. his first-serve speeds f...
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