19 a) Find the probability that X > 0.5 0.4753 b) Find the probability that 0.3 < X < 0.63 0.3423 c) Find the expected value of x 0.4825 d) Find the variance of X 0.0806 e) Find the standard deviation of X 0.2838 f) Find the probability that X is within 0.5 standard deviations of its expected value
19 a) Find the probability that X > 0.5 0.4753 b) Find the probability that 0.3 < X < 0.63 0.3423 c) Find the expected value of x 0.4825 d) Find the variance of X 0.0806 e) Find the standard deviation of X 0.2838 f) Find the probability that X is within 0.5 standard deviations of its expected value
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 39E: Assume that the probability that an airplane engine will fail during a torture test is 12and that...
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