Machine Tools 1 & 2roundness conformsnosurface finishconformsyes2459yes4no12Machine Tool 1roundness conformsyes132nosurface finishconformsyes2no37Machine Tool2roundness conformsyes113nosurface finishconformsyes2no65(a) If a shaft is selected at random, what is the probability that the shaft conforms tosurface finish requirements or to roundness requirements or is from Tool 1?(b) If a shaft is selected at random, what is the probability that the shaft conforms tosurface finish requirements or does not conform to roundness requirements or isfrom Tool 2?

From the given data of machine tools we need to find some probabilities.

Answered: (a) If a shaft is selected at random,…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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A company manufactures two types of cables, brand R and brand Q. Brand R has mean breaking strengthof 4500kg with a standard deviation 400kg, while brand Q have mean breaking strength of 4800kg with astandard deviation 200kg.i) What is the probability the mean breaking strength brand R is less than 4890kg?ii) What is the probability the difference breaking strength between these two brands is greater than200kg?iii) If 80 cables of brand R and 70 cables of brand Q are tested, what is the probability that the samplemean of breaking strength brand Q is better than brand R?
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