3. The probability that a housewife buys brand A soap is 0.75. Find the probability that in a sample of 15 housewives who bought soap for a certain day, (a) exactly 4 of them bought brand A soap. (b) more than 6 of them bought brand A soap. X~BC 15,0.75) →B C15,0 25) 70.5 a) PCX = 4) => PCY= 1) b) P C X>G) => PCY< 9)

3. The probability that a housewife buys brand A soap is 0.75. Find the probability that in a sample of 15 housewives who bought soap for a certain day, (a) exactly 4 of them bought brand A soap. (b) more than 6 of them bought brand A soap. X~BC 15,0.75) →B C15,0 25) 70.5 a) PCX = 4) => PCY= 1) b) P C X>G) => PCY< 9)

Name: 3. The probability that a housewife buys brand A soap is0.75. Find th
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Description: 3. The probability that a housewife buys brand A soap is0.75. Find the probability that in a sample of 15housewives who bought soap for a certain day,(a) exactly 4 of them bought brand A soap.(b) more than 6 of them bought brand A soap.X ~BC 15,0.75

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

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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Transcribed Image Text:3. The probability that a housewife buys brand A soap is 0.75. Find the probability that in a sample of 15 housewives who bought soap for a certain day, (a) exactly 4 of them bought brand A soap. (b) more than 6 of them bought brand A soap. X ~BC 15,0.75) → C15,0 25) 70-5 a) PCX = 4) => PCY= 1) b) P Cx >G) => PCY<9)

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