For normally distributed I.Q.'s with mean of 100

Question # 00612269 Posted By: rey_writer Updated on: 11/03/2017 10:48 AM Due on: 11/03/2017
Subject Mathematics Topic Probability Tutorials:
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Probability - Statistics

Please answer true or false and give reason why.

7. P (-0.5 < Z < -0.3) = 0.0736.

8. For normally distributed I.Q.'s with mean of 100 and standard deviation of 16, the probability that 25 randomly selected individuals have an average I.Q. less than 95 is 0.0594.

9. The standard error of a sampling distribution of means will never be larger than the standard deviation of the population upon which the sampling distribution is based.

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  1. Tutorial # 00610809 Posted By: rey_writer Posted on: 11/03/2017 10:49 AM
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