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MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question
Assume the random variable x is normally distributed with mean
μ=80
and standard deviation
σ=5.
Find the indicated probability.P(66<x<70)
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- Assume that adults have IQ scores that are normally distributed with a mean of μ=105 and a standard deviation σ=20. Find the probability that a randomly selected adult has an IQ between 93 and 117.arrow_forwardAssume the random variable X is normally distributed with mean μ=50 and standard deviation σ=7. Find the 87th percentile.arrow_forwardAssume the random variablex is normally distributed with mean u= 86 and standard deviation o = 4. Find the indicated probability. P(x<79) P(x<79)%3D P(x<79) =(Round to four decimal places as needed.)arrow_forward
- Assume the random variable x is normally distributed with mean μ = 50 and standard deviation a=7. Find the indicated probability. P(x > 38) P(x>38) = (Round to four decimal places as needed.) XXXXarrow_forwardAssume the random variable x is normally distributed with mean μ=88 and standard deviation σ=4. Find the indicated probability. P(75<x<86)=arrow_forwardAssume the random variable x is normally distributed with mean µ = 85 and standard deviation o = 4. Find the indicated probability. P(x<77) P(x<77) = (Round to four decimal places as needed.)arrow_forward
- Assume the random variable x is normally distributed with mean u = 83 and standard deviation o = 4. Find the indicated probability. P(70arrow_forwardAssume the random variable x is normally distributed with mean µ = 85 and standard deviation o=4. Find the indicated probability. P(x < 80) P(x <80) = (Round to four decimal places as needed.)arrow_forward
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