An inspector would like to estimate the percentage of canned mushroom soup that has rusted in a truckload shipment that they received. The truck has 1000 boxes of canned mushroom soup, each of which has 24 cans. The inspector randomly sampled 50 boxes and inspected each can to check for rust. Below are the results of the inspection. No. of rusted cans No. of sampled boxes 1 42 3 a. Is this a cluster sample? Why or why not? If it is a cluster sample, what are the clusters and what are the elements? b. Is this a two-stage or a one-stage sampling design? c. Estimate the percentage of canned mushroom soup that has rust. d. Give a 95% confidence interval on the estimate in c.
An inspector would like to estimate the percentage of canned mushroom soup that has rusted in a truckload shipment that they received. The truck has 1000 boxes of canned mushroom soup, each of which has 24 cans. The inspector randomly sampled 50 boxes and inspected each can to check for rust. Below are the results of the inspection. No. of rusted cans No. of sampled boxes 1 42 3 a. Is this a cluster sample? Why or why not? If it is a cluster sample, what are the clusters and what are the elements? b. Is this a two-stage or a one-stage sampling design? c. Estimate the percentage of canned mushroom soup that has rust. d. Give a 95% confidence interval on the estimate in c.
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:An inspector would like to estimate the percentage of canned mushroom soup that has rusted in a
truckload shipment that they received. The truck has 1000 boxes of canned mushroom soup, each of
which has 24 cans. The inspector randomly sampled 50 boxes and inspected each can to check for
rust. Below are the results of the inspection.
No. of rusted cans
No. of sampled boxes
1
2
42
3
a. Is this a cluster sample? Why or why not? If it is a cluster sample, what are the clusters
and what are the elements?
b. Is this a two-stage or a one-stage sampling design?
c. Estimate the percentage of canned mushroom soup that has rust.
d. Give a 95% confidence interval on the estimate in c.
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