plades. If five of the blades in an assembly are dull, what is the probability that the assembly is replaced the first day it is evaluated?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 32E
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A slitter assembly contains 50 blades. Five blades are selected at random and evaluated each day
for sharpness. If any dull blade is found, the assembly is replaced with a newly sharpened set of
blades. If five of the blades in an assembly are dull, what is the probability that the assembly is
replaced the first day it is evaluated?
Let X denote the number of blades in the sample that are dull. Then, X has a hypergeometric
distribution. (Show solutions)
a. NONE
O b.0.7069
O. 0.5766
O d.0.4234
Transcribed Image Text:A slitter assembly contains 50 blades. Five blades are selected at random and evaluated each day for sharpness. If any dull blade is found, the assembly is replaced with a newly sharpened set of blades. If five of the blades in an assembly are dull, what is the probability that the assembly is replaced the first day it is evaluated? Let X denote the number of blades in the sample that are dull. Then, X has a hypergeometric distribution. (Show solutions) a. NONE O b.0.7069 O. 0.5766 O d.0.4234
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