The control department of a light bulb manufacturer randomly picks 4400 light bulbs from the production lot every week. The records show that, when there is no malfunction, the defect rate in the manufacturing process ( due to imperfections in the material used) is 1%. When 1.25% or more of the light bulbs in the sample of 4400 are defective, the control unit calls repair technicians for service. Answer the following. a) Find the mean of p, where p is the proportion of defective light bulbs in a sample of 4400 when there is nomalfunction.(b) Find the standard deviation ofp.(c) Compute an approximation for P(p 2 0.0125), which is the probability that the service technicians will be calledthough the system is functioning properly. Round your answer to four decimal places.O 2021 McGraw-Hill Education. All Rignere to search

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Answered: a) Find the mean of p, where p is the…

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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The control department of a light bulb manufacturer randomly picks 4400 light bulbs from the production lot every week. The records show that, when there is no malfunction, the defect rate in the manufacturing process ( due to imperfections in the material used) is 1%. When 1.25% or more of the light bulbs in the sample of 4400 are defective, the control unit calls repair technicians for service. Answer the following.

a) Find the mean of p, where p is the proportion of defective light bulbs in a sample of 4400 when there is no
malfunction.
(b) Find the standard deviation of
p.
(c) Compute an approximation for P(p 2 0.0125), which is the probability that the service technicians will be called
though the system is functioning properly. Round your answer to four decimal places.
O 2021 McGraw-Hill Education. All Rig
nere to search

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