50 70 90 110 100 80 60 (b) What is the probability the random variable will assume a value between 50 and 110? (Round your answer to three decimal places.) (c) What is the probability the random variable will assume a value between 70 and 90? (Round your answer to three decimal places.)
50 70 90 110 100 80 60 (b) What is the probability the random variable will assume a value between 50 and 110? (Round your answer to three decimal places.) (c) What is the probability the random variable will assume a value between 70 and 90? (Round your answer to three decimal places.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Related questions
Question

Transcribed Image Text:(a) The following figure shows that the normal curve almost touches the horizontal axis at three standard deviations below and at three standard deviations above the mean (in this case at 50 and
110).
Areas Under the Curve for any Normal Distribution
99.7%
95.4%
68.3%
M – 30
M- 20
H – lo
H + lo
μ+ 3
l + 20
Sketch a normal curve for the probability density function. Label the horizontal axis with values of 50, 60, 70, 80, 90, 100, and 110.
AA
110
100
90
80
70
60
50
50
60
70
80
90
100
110
60
80
100
110
90
70
50

Transcribed Image Text:50
70
90
110
100
80
60
(b) What is the probability the random variable will assume a value between 50 and 110? (Round your answer to three decimal places.)
(c) What is the probability the random variable will assume a value between 70 and 90? (Round your answer to three decimal places.)
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