A steel plate contains 20 bolts. Assume that 5 bolts are not torque to the proper limit. Four bolts are selected at random, without replacement to be checked for corque. p) What is the probability that at least one of the selected bolts is not torque to the proper limit?

A steel plate contains 20 bolts. Assume that 5 bolts are not torque to the proper limit. Four bolts are selected at random, without replacement to be checked for corque. p) What is the probability that at least one of the selected bolts is not torque to the proper limit?

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.8: Probability

Problem 31E

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

A steel plate contains 20 bolts. Assume that 5 bolts are not torque to the proper
limit. Four bolts are selected at random, without replacement to be checked for
torque.
b) What is the probability that at least one of the selected bolts is not torque to the
proper limit?

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