a. Find the probability distribution of Y, the number of 1-second time intervals until a complete housing is attached. b. Find p(6). c. Find the mean and variance of Y.
a. Find the probability distribution of Y, the number of 1-second time intervals until a complete housing is attached. b. Find p(6). c. Find the mean and variance of Y.
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter14: Counting And Probability
Section14.2: Probability
Problem 3E: The conditional probability of E given that F occurs is P(EF)=___________. So in rolling a die the...
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Question
To attach the housing on a motor, a production line assembler must use an electrical
hand tool to set and tighten four bolts. Suppose that the probability of setting and
tightening a bolt in any 1-second time interval is p = 0.8. If the assembler fails in the
first second, the probability of success during the second 1-second interval is 0.8, and
so on.
a. Find the probability distribution of Y, the number of 1-second time intervals until
a complete housing is attached.
b. Find p(6).
c. Find the mean and variance of Y.
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