If the mean and the standard deviation of a continuous random variable that is normally distributed...

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If the mean and the standard deviation of a continuous random variable that is normally distributed...

If the mean and the standard deviation of a continuous random variable that is normally distributed are 20 and 5, respectively, find an interval that contains 68% of the distribution.

a. 18,24

b. 12,25

c. 10,30

d. 15,25

math Statistics-And-Probability

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Answer 1

Answer #1

Given Mean u =20 and standard deviation o=5 Given 68% of the distribution a=1-0.68=0.32 a/2=0.16 z intervals for the middle 6

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Answer 2

Answer #2

If the mean and the standard deviation of a continuous random variable that is normally distributed are 28 and 3 respectively, using the Empirical rule find an interval that contains 95% of the distribution

answered by: Amanda

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Answer 3

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