An assembly consists of two independent mechanical components. Suppose that the probabilities that the first and second components meet specifications are 0.93 and 0.87, respectively. Let X be the number of components in the assembly that meet specifications. (a) Find the mean of X. (b) Find the variance of X. Round your answer to 4 decimals. Round your answer to 4 decimals.
An assembly consists of two independent mechanical components. Suppose that the probabilities that the first and second components meet specifications are 0.93 and 0.87, respectively. Let X be the number of components in the assembly that meet specifications. (a) Find the mean of X. (b) Find the variance of X. Round your answer to 4 decimals. Round your answer to 4 decimals.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 3CYU
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Transcribed Image Text:Problem #5: An assembly consists of two independent mechanical components. Suppose that the probabilities that the first and
second components meet specifications are 0.93 and 0.87, respectively. Let X be the number of components in the
assembly that meet specifications.
Problem #5(a):
Problem #5(b):
(a) Find the mean of X.
(b) Find the variance of X.
Round your answer to 4 decimals.
Round your answer to 4 decimals.
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