Number of points per bowling game

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Gail averages 153 points per bowling game with a standard deviation of 14.5 points. Suppose Gail's points per bowling game are normally distributed. Let X= the number of points per bowling game. Then X∼N(153,14.5).

z-score when x= 108 is ______. the mean is 153.

The z-score tell you that x=108 is ______ stardard deviations to the left of the mean.

Reference no: EM132358047

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