The average time a Boulder High varsity lacrosse player plays
The average time a Boulder High varsity lacrosse player plays in a game is 30 minutes with a standard deviation of 7 minutes. Nolan's playing time in last week's game against Fairview was 48 minutes.
(a) Calculate the z-score for Nolan's playing time against Fairview.
(b) By the Empirical Rule, was Nolan's playing time unusual when compared to the typical playing time?
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