The Standard Normal Distribution · Try It 6
The scores on a college entrance exam have an approximate normal distribution with mean, µ = 52 points and a standard deviation, σ = 11 points.
(a) About 68 percent of the y values lie between what two values? These values are ________________. The z-scores are ________________, respectively.
(b) About 95 percent of the y values lie between what two values? These values are ________________. The z-scores are ________________, respectively.
(c) About 99.7 percent of the y values lie between what two values? These values are ________________. The z-scores are ________________, respectively.
OpenStax, Statistics · §6.1 The Standard Normal Distribution · Try It 6
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