It is known that iq scores have a normal distribution with a mean of 100 and a standard deviation of 15. a. a random sample of 36 students is selected. what is the probability t…

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asked Jun 8, 2019 31.0k views

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Stefan Haustein · Answer 1 · 2019-06-15T06:08:56+0000

The standard deviation of the mean of the sample is the population standard deviation divided by the square root of the sample size. A suitable calculator can figure the rest for you.

a. 0.99722
b. 0.99957

It is known that iq scores have a normal distribution with a mean of 100 and a standard-example-1

It is known that iq scores have a normal distribution with a mean of 100 and a standard deviation of 15. a. a random sample of 36 students is selected. what is the probability t…

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