QUESTION 3 a b с d Roger buys three tickets in a raffle in which there is a total of 20 tickets. There are two prizes. Find the probability of him winning: ( first prize first prize only both prizes no prizes e at least one prize P(BP) = 3²3/10 × ²7/0₂ 1-³/40= 190-³ = 190 3x 20 19 380 = 3 190
QUESTION 3 a b с d Roger buys three tickets in a raffle in which there is a total of 20 tickets. There are two prizes. Find the probability of him winning: ( first prize first prize only both prizes no prizes e at least one prize P(BP) = 3²3/10 × ²7/0₂ 1-³/40= 190-³ = 190 3x 20 19 380 = 3 190
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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part d, e, f
Transcribed Image Text:QUESTION 3
a first prize
b
C
d
e
f
Roger buys three tickets in a raffle in which there is a total of 20 tickets. There are two
prizes. Find the probability of him winning:
first prize only
both prizes
no prizes
at least one prize
one prize only.
2
P(BP) = 3³/20x
1-2740 - 190-3 = 1870
20 19
6
380
=
3
190
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