Referring to Problem 7.14, find the grades corresponding to the standard scores (a) 1 and (b) 1.6. Suppose the number of games in which major league baseball players play during their careers is normally distributed with mean equal to 1500 games and standard deviation equal to 350 games. Use EXCEL to solve the following problems. (a) What percentage play in fewer than 750 games? (b) What percentage play in more than 2000 games? (c) Find the 90th percentile for the number of games played during a career.
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