Mathematics, 20.05.2021 21:10, kevinh2683

An IQ test is known to have an approximate normal distribution with mean 100 and standard deviation 15. Using the Empirical Rule, about what percentage of
test takers will have an IQ score between $15 and 115?
A. 95%
B. 81.5%
C. 99.7%
D. 68%

Answers: 2

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An IQ test is known to have an approximate normal distribution with mean 100 and standard deviation...