Two shipments (A and B) of blenders were inspected. Shipment A contains 50 blenders of which 5 are defective while shipment B contains 40 blenders of which 3 are defective. a. If 3 blenders are inspected at random (without replacement) from shipment A, what is the probability of obtaining at least 1 defective. b. Suppose a shipment is selected at random and one defective was found out of 2 blenders inspected. Find the probability that the shipment inspected was A.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Two shipments (A and B) of blenders were inspected. Shipment A contains 50 blenders of which 5 are defective while shipment B contains 40 blenders of which 3 are defective. a. If 3 blenders are inspected at random (without replacement) from shipment A, what is the probability of obtaining at least 1 defective. b. Suppose a shipment is selected at random and one defective was found out of 2 blenders inspected. Find the probability that the shipment inspected was A.
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