Problem 11 The scores for the science reasoning portion of the ACT test are normally distributed....
Problem 11
The scores for the science reasoning portion of the ACT test are normally distributed. In a recent year, the mean test score was 20.9 and the standard deviation was 5.2. The test scores of four students selected at random are 17, 29, 8, and 23.
a) Find the z-score that corresponds to each value.
b) Determine if any of the test values are unusual. Explain.
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Problem 11
The scores for the science reasoning portion of the ACT test are
normally distributed....
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