A display case of lottery tickets contains 5 winning tickets and 45 tickets that will n win. Seven tickets are chosen at random. a) What is the probability of those 7 tickets containing 4 winners? b) What is the probability that less than 3 tickets are winners? c) What is the probability that more than 2 tickets are winners?
A display case of lottery tickets contains 5 winning tickets and 45 tickets that will n win. Seven tickets are chosen at random. a) What is the probability of those 7 tickets containing 4 winners? b) What is the probability that less than 3 tickets are winners? c) What is the probability that more than 2 tickets are winners?
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:A display case of lottery tickets contains 5 winning tickets and 45 tickets that will not
win. Seven tickets are chosen at random.
a) What is the probability of those 7 tickets containing 4 winners?
b) What is the probability that less than 3 tickets are winners?
c) What is the probability that more than 2 tickets are winners?
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