4 The scores of adults on an IQ test are approximately Normal with mean 100 and...

Question

Question

math Statistics-And-Probability

Answer 1

Answer #1

Here, Mean = 100 and Standard Deviation = 15

$~ _ score = 100-100 15 233$

For z-score 2.33, Area = 0.9901 [from z chart given below]

Hence, Alysha score above about 99% adult people.

Answer 2

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