QUESTION 3 Roger buys three tickets in a rale in which there is a total of 20 tickets. There are two prizes. Find the probability of him winning: a first prize b first prize only both prizes с P(BP) = ²/10 x 14 = - 380 = 106.7 3 190

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 31E
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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
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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