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In Exercise, use the following information.
Chapter , Problem 10CQ(choose chapter or problem)
Problem 10CQ
In Exercise, use the following information. In a standardized IQ test, scores were normally distributed, with a mean score of 100 and a standardized deviation of 15.
Are you more likely to randomly select one person with an IQ score greater than 105 or are you more likely to randomly select a sample of 15 people with a mean IQ score greater than 105? Explain.
Questions & Answers
QUESTION:
Problem 10CQ
In Exercise, use the following information. In a standardized IQ test, scores were normally distributed, with a mean score of 100 and a standardized deviation of 15.
Are you more likely to randomly select one person with an IQ score greater than 105 or are you more likely to randomly select a sample of 15 people with a mean IQ score greater than 105? Explain.
ANSWER:
Answer
Step 1 of 1
(a)
In a standardized IQ test, scores are normally distributed, with a mean score of 100 and a standardized deviation of 15.
Are you more likely to randomly select one person with an IQ score greater than 105 or are you more likely to randomly select a sample of 15 people with a mean IQ score greater than 105? Explain.
First case: Are you more likely to randomly select one person with an IQ score greater than 105.
The for the value of 105 is,