A pharmaceutical company receives large shipments of aspirin tablets. The acceptance sampling plan is to randomly select and test 15 tablets, then accept the whole batch if there is only one or none that doesn't meet the required specifications. If a particular shipment of thousands of aspirin tablets actually has a 5% rate of defects, what is the probability that this whole shipment will be accepted? The probability that this whole shipment will be accepted is

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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A pharmaceutical company receives large shipments of aspirin tablets. The acceptance sampling plan is to randomly select and test 15 tablets, then accept the whole
batch if there is only one or none that doesn't meet the required specifications. If a particular shipment of thousands of aspirin tablets actually has a 5% rate of defects,
what is the probability that this whole shipment will be accepted?
The probability that this whole shipment will be accepted is
Transcribed Image Text:A pharmaceutical company receives large shipments of aspirin tablets. The acceptance sampling plan is to randomly select and test 15 tablets, then accept the whole batch if there is only one or none that doesn't meet the required specifications. If a particular shipment of thousands of aspirin tablets actually has a 5% rate of defects, what is the probability that this whole shipment will be accepted? The probability that this whole shipment will be accepted is
A notebook computer dealer mounts a new promotional campaign. Purchasers of new computers may, if dissatisfied for any reason, return them within 2 days of
purchase and receive a full refund. The cost to the dealer of such a refund is $125. The dealer estimates that 18% of all purchasers will, indeed, return computers and
obtain refunds. Suppose that 90 computers are purchased during the campaign period. Complete parts a. and b. below.
a. Find the mean and the standard deviation of the number of these computers that will be returned for refunds.
The mean, H,
is
Transcribed Image Text:A notebook computer dealer mounts a new promotional campaign. Purchasers of new computers may, if dissatisfied for any reason, return them within 2 days of purchase and receive a full refund. The cost to the dealer of such a refund is $125. The dealer estimates that 18% of all purchasers will, indeed, return computers and obtain refunds. Suppose that 90 computers are purchased during the campaign period. Complete parts a. and b. below. a. Find the mean and the standard deviation of the number of these computers that will be returned for refunds. The mean, H, is
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