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If you buy a lottery ticket in 50 lotteries, in each of

A First Course in Probability | 9th Edition | ISBN: 9780321794772 | Authors: Sheldon Ross ISBN: 9780321794772 63

Solution for problem 59P Chapter 4

A First Course in Probability | 9th Edition

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A First Course in Probability | 9th Edition | ISBN: 9780321794772 | Authors: Sheldon Ross

A First Course in Probability | 9th Edition

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Problem 59P

Problem 59P

If you buy a lottery ticket in 50 lotteries, in each of which your chance of winning a prize  is what is the (approximate) probability that you will win a prize

(a) at least once?

(b) exactly once?

(c) at least twice?

Step-by-Step Solution:

Solution:

Step 1 of 4:

We have the number of trials n = 50.

The probability of winning a prize is p = .

Let X follows the Poisson distribution with the probability mass function

P(X = x) =

Where = np

               = 50()

              = 0.5.


Step 2 of 4

Chapter 4, Problem 59P is Solved
Step 3 of 4

Textbook: A First Course in Probability
Edition: 9
Author: Sheldon Ross
ISBN: 9780321794772

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If you buy a lottery ticket in 50 lotteries, in each of