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In the steel manufacturing process, the number of checking defects on 20 billet products are as follows: 4, 0, 2, 5, 7, 4, 2, 4, 4, 2, 4, 7, 1, 2, 3, 4, 7, 2, 4, 2 (a) What distribution is suitable for describe the number of checking defects in every product? (b) Based on your answer in (a), what is the confidence interval of the expected number of checking for each product? (Here, we assume that α = 0.05) Hint: Poisson process can be approximated as a normal distribution (the mean should be calculated from the given data).

In the steel manufacturing process, the number of checking defects on 20 billet products are as follows: 4, 0, 2, 5, 7, 4, 2, 4, 4, 2, 4, 7, 1, 2, 3, 4, 7, 2, 4, 2 (a) What distribution is suitable for describe the number of checking defects in every product? (b) Based on your answer in (a), what is the confidence interval of the expected number of checking for each product? (Here, we assume that α = 0.05) Hint: Poisson process can be approximated as a normal distribution (the mean should be calculated from the given data).

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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In the steel manufacturing process, the number of checking defects on 20 billet products are as follows: 4, 0, 2, 5, 7, 4, 2, 4, 4, 2, 4, 7, 1, 2, 3, 4, 7, 2, 4, 2 (a) What distribution is suitable for describe the number of checking defects in every product? (b) Based on your answer in (a), what is the confidence interval of the expected number of checking for each product? (Here, we assume that α = 0.05) Hint: Poisson process can be approximated as a normal distribution (the mean should be calculated from the given data).
Transcribed Image Text:In the steel manufacturing process, the number of checking defects on 20 billet products are as follows: 4, 0, 2, 5, 7, 4, 2, 4, 4, 2, 4, 7, 1, 2, 3, 4, 7, 2, 4, 2 (a) What distribution is suitable for describe the number of checking defects in every product? (b) Based on your answer in (a), what is the confidence interval of the expected number of checking for each product? (Here, we assume that α = 0.05) Hint: Poisson process can be approximated as a normal distribution (the mean should be calculated from the given data).
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