Purchasing magazine reported the results of a survey in which buyers were asked a series of questions with regard to internet usage. One question asked was how they would use the internet if security and other issues could be resolved. Seventy-eight percent said they would use it for pricing information, 75% said they would use it to send purchase orders, and 70% said they would use it for purchase order acknowledgments. Assume that these percentages hold true for all buyers. A researcher randomly samples 20 buyers and asked them how they would use the internet if security and other issues could be resolved. What is the probability that all of the buyers would use the internet to send purchase orders?
Purchasing magazine reported the results of a survey in which buyers were asked a series of questions with regard to internet usage. One question asked was how they would use the internet if security and other issues could be resolved. Seventy-eight percent said they would use it for pricing information, 75% said they would use it to send purchase orders, and 70% said they would use it for purchase order acknowledgments. Assume that these percentages hold true for all buyers. A researcher randomly samples 20 buyers and asked them how they would use the internet if security and other issues could be resolved. What is the probability that all of the buyers would use the internet to send purchase orders?
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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Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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