Scores on the act test have a distribution that is

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Scores on the ACT test have a distribution that is approximately normal with mean 21.1 and standard deviation 5.1.

What is the probability that a student chosen at random will have an ACT score greater than 30? (Round z-scores to the nearest one-hundredth)

Answer


a.

0.2843


b.

0.0401


c.

0.9599


d.

Less than 0.0001

Reference no: EM13619807

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