As shown in Example 6.8, IQ scores are considered normally distributed, with a mean of 100 and a standard deviation of 16. a. Find the probability that a randomly selected person will have an IQ score...

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As shown in Example 6.8, IQ scores are considered normally distributed, with a mean of 100 and a standard deviation of 16. a. Find the probability that a randomly selected person will have an IQ score between 100 and 120. b. Find the probability that a randomly selected person will have an IQ score above 80.

Answered 33 days AfterDec 04, 2021

Answer To: As shown in Example 6.8, IQ scores are considered normally distributed, with a mean of 100 and a...

Komalavalli answered on Jan 07 2022

108 Votes

Q1
Mean = 100
Standard deviation = 16
a)
Probability that a randomly selected person will have an IQ score between 100 and 120
P(100Z = X - µ/s
Z = 120 - 100/16
Z = 20/16
Z =1.25
P(100b)
probability that a randomly selected person will have an IQ score above...

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As shown in Example 6.8, IQ scores are considered normally distributed, with a mean of 100 and a standard deviation of 16. a. Find the probability that a randomly selected person will have an IQ score...

Answer To: As shown in Example 6.8, IQ scores are considered normally distributed, with a mean of 100 and a...

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