billy1742 billy1742

24-03-2020
Mathematics

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A worldwide organization of academics claims that the mean IQ score of its members is 115, with a standard deviation of 17. A randomly selected group of 35 members of this organization is tested, and the results reveal that the mean IQ score in this sample is 115.2. If the organization's claim is correct, what is the probability of having a sample mean of 115.2 or less for a random sample of this size

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temdan2001 temdan2001

26-03-2020

Answer: The probability of having a sample mean of 115.2 or less for a random sample of this size equal 0.508.

Step-by-step explanation: Please find the attached file for the solution

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