A sample of 250 items from lot A contains 10 defective items, and a sample of 300 items from lot B is found to contain 18 defective items. Construct a 98% confidence interval for the difference of proportions of defective items.
A sample of 250 items from lot A contains 10 defective items, and a sample of 300 items from lot B is found to contain 18 defective items. Construct a 98% confidence interval for the difference of proportions of defective items.
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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A sample of 250 items from lot A contains 10 defective items, and a sample of 300 items
from lot B is found to contain 18 defective items. Construct a 98% confidence interval for the difference of proportions of defective items.
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