Refer to Example 5.15 (p. 197) and the life length Y of a drill bit. Recall that
Question:
Refer to Example 5.15 (p. 197) and the life length Y of a drill bit. Recall that Y has a Weibull distribution with α = 2 and β = 100.
a. Calculate the values of f(y) for y = 2, 5, 8, 11, 14 and 17. Plot the points ( y, f(y)) and construct a graph of the failure time distribution of the drill bits.
b. Calculate the variance of the failure time distribution.
c. Find the probability that the length of life of a drill bit will fall within 2 hours of its mean.
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a To calculate the values of fy for the given values of y we can use the probability density functio...View the full answer
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Related Book For
Statistics For Engineering And The Sciences
ISBN: 9781498728850
6th Edition
Authors: William M. Mendenhall, Terry L. Sincich
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