Question
Three random draws with replacement will be made from a box containing 5 tickets labeled: 1,...
Three random draws with replacement will be made from a box containing 5 tickets labeled:
1, 2, 2, 3, 3.
The probability that a ticket labeled 2 will be drawn at least once is _____ out of 125.
Homework Answers
Answer #1
The probability of drawing ticket labelled 2 is 
.
This is sampling with replacement.
The the number of draws of ticket labelled 2 
out of 3
has follows Binomial distribution with 
The PMF of is
The required probability is
The probability that a ticket labeled 2 will be drawn at least once is __98_ out of 125
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