3. A trial has just resulted in a hung jury because eight numbers of the jury were in favor of a guilty verdict and the other four were for acquittal. Suppose the jurors leave the jury room in random order and each of the first three leaving the room is accosted by a reporter in quest of an interview. (a) What is the pmf of X = the number of jurors favoring acquittal among those interviewed? (b) Find EX and SD(X). (c) What is the pmf and cdf of Y = 3 - X?
3. A trial has just resulted in a hung jury because eight numbers of the jury were in favor of a guilty verdict and the other four were for acquittal. Suppose the jurors leave the jury room in random order and each of the first three leaving the room is accosted by a reporter in quest of an interview. (a) What is the pmf of X = the number of jurors favoring acquittal among those interviewed? (b) Find EX and SD(X). (c) What is the pmf and cdf of Y = 3 - X?
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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