A machine that manufactures automobile pistons is estimated to produce a defective piston 3% of the time. Suppose that this estimate is corect and that a random sample of 80 pistons produced by this machine is taken. Answer the following. (If necessary, consult a list of formulas.) (a) Estimate the number of pistons in the sample that are defective by giving the mean of the relevant distribution (that is, the expectation of the relevant random variable). Do not round your response. (b) Quantify the uncertainty of your estimate by giving the standard deviation of the distribution. Round your response to at least three decimal places.
A machine that manufactures automobile pistons is estimated to produce a defective piston 3% of the time. Suppose that this estimate is corect and that a random sample of 80 pistons produced by this machine is taken. Answer the following. (If necessary, consult a list of formulas.) (a) Estimate the number of pistons in the sample that are defective by giving the mean of the relevant distribution (that is, the expectation of the relevant random variable). Do not round your response. (b) Quantify the uncertainty of your estimate by giving the standard deviation of the distribution. Round your response to at least three decimal places.
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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Transcribed Image Text:A machine that manufactures automobile pistons is estimated to produce a defective piston 3% of the time. Suppose that this estimate is
correct and that a random sample of 80 pistons produced by this machine is taken.
Answer the following.
(If necessary, consult a list of formulas.)
(a) Estimate the number of pistons in the sample that are defective by giving the mean of the relevant distribution (that is, the
expectation of the relevant random variable). Do not round your response.
(b) Quantify the uncertainty of your estimate by giving the standard deviation of the distribution. Round your response to at least three
decimal places.
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