Suppose X is a normal random variable with u = 300 and o = 76. Find the values of the following probabilities. (Round your answers to four decimal places.) (a) P(X < 450) 150/76 (b) P(X > 200) |-100/76 (c) P(150 < X < 400)

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.4: Expected Value
Problem 1E: If a game gives payoffs of $10 and $100 with probabilities 0.9 and 0.1, respectively, then the...
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I can't seem to figure this question out and need help please, thanks so much.

Suppose X is a normal random variable with u = 300 and o = 76. Find the values of the following probabilities. (Round your answers to four decimal places.)
(a)
P(X < 450)
150/76
(b)
P(X > 200)
|-100/76
(c)
P(150 < X < 400)
Transcribed Image Text:Suppose X is a normal random variable with u = 300 and o = 76. Find the values of the following probabilities. (Round your answers to four decimal places.) (a) P(X < 450) 150/76 (b) P(X > 200) |-100/76 (c) P(150 < X < 400)
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