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23-01-2024
Mathematics

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In a large population of adults, IQ scores are normally distributed with a mean 112 and standard deviation of 20. What is the probability that the mean IQ of 16 adults will be between 105 and 123 ?
(A) 0.9053
(B) 0.3456
(C) 0.0669
(D) 0.8159
(E) None of these

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