(b) Find P(Y> 1|Y ≤ 3). (c) Hence, find the mean of Y.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 9E
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Question
The number of red lights, Y, that Sam stops at on his way to work is a random
variable with probability distribution given by:
(a) Find the value of a.
Y
0
1
විය.
2 3
P(Y= y) 3a 8a² 4a² 8a
Transcribed Image Text:The number of red lights, Y, that Sam stops at on his way to work is a random variable with probability distribution given by: (a) Find the value of a. Y 0 1 විය. 2 3 P(Y= y) 3a 8a² 4a² 8a
(b) Find P(Y> 1|Y ≤ 3).
(c) Hence, find the mean of Y.
Transcribed Image Text:(b) Find P(Y> 1|Y ≤ 3). (c) Hence, find the mean of Y.
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