A local public-action group solicits donations by telephone. For a particular list of prospects it was estimated that for any individual the probability was 0.05 of an immediate donation by credit card, 0.23 of no immediate donation but a request for further information through the mail, and 0.72 of no expression of interest. Information is mailed to all people requesting it, and it is estimated that 30% of these people will eventually donate. An operator makes a sequence of calls, the outcomes of which can be assumed to be independent. a. What is the probability that the first call leading to an immediate credit card donation is preceded by at least three calls that do not lead to an immediate donation? b. What is the probability that the first call leading to any donation (either immediately or eventually after a mailing) is preceded by at least three calls that never lead to a donation? a. The probability that no immediate credit card donation will be received until at least three calls where no immediate donations are made is N. (Round to three decimal places as needed.)
A local public-action group solicits donations by telephone. For a particular list of prospects it was estimated that for any individual the probability was 0.05 of an immediate donation by credit card, 0.23 of no immediate donation but a request for further information through the mail, and 0.72 of no expression of interest. Information is mailed to all people requesting it, and it is estimated that 30% of these people will eventually donate. An operator makes a sequence of calls, the outcomes of which can be assumed to be independent. a. What is the probability that the first call leading to an immediate credit card donation is preceded by at least three calls that do not lead to an immediate donation? b. What is the probability that the first call leading to any donation (either immediately or eventually after a mailing) is preceded by at least three calls that never lead to a donation? a. The probability that no immediate credit card donation will be received until at least three calls where no immediate donations are made is N. (Round to three decimal places as needed.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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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