The data below represents the ages of the fifteen recruits in the police academy. The data has a mean of 27 and a standard deviation of 3.8, rounded to the nearest
tenth. How many of these data points have a z-score less than -0.42
(21, 22, 24, 24, 25, 25, 25, 26, 27, 28, 29, 30, 32, 32, 35)

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