Please help!! An aircraft seam requires 20 rivets. The seam will have to be reworked if any of these rivets is defective. Suppose rivets are defective independently of one another, each withthe same probability. (Round your answers to four decimal places.)(a) If 24% of all seams need reworking, what is the probability that a rivet is defective?(b) How small should the probability of a defective rivet be to ensure that only 7% of all seams need reworking?

Name: Please help!! An aircraft seam requires 20 rivets. The seam will have
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Description: Please help!! An aircraft seam requires 20 rivets. The seam will have to be reworked if any of these rivets is defective. Suppose rivets are defective independently of one another, each withthe same probability. (Round your answers to four decimal pl

Answered: An aircraft seam requires 20 rivets.…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Please help!!

An aircraft seam requires 20 rivets. The seam will have to be reworked if any of these rivets is defective. Suppose rivets are defective independently of one another, each with
the same probability. (Round your answers to four decimal places.)
(a) If 24% of all seams need reworking, what is the probability that a rivet is defective?
(b) How small should the probability of a defective rivet be to ensure that only 7% of all seams need reworking?

Expert Solution

Step 1

Given information:

Total number of rivets required by an aircraft seam = 20

If any of the above 20 rivets is defective, the seam will have to be reworked.

All the rivets are supposed to be defective independently of one another, each with the same probability.

It is required to obtain:

(a) If 24% of all seams need reworking, what is the probability that a river is defective.

(b) how small should the probability of a defective rivet be to ensure only 7% of all seams need reworking.

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