Find V (Y)

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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Question
Y=y
P(Y=y)
1 FERA
0.4
Find V (Y)
Let X be a discrete random variable defined by
(c. 3*
2
0.3
Good Luck
f(x) = x!
a.How many one way tickets will be issued?
b.How many two way ticket will be issued?
Q Ara
3
0.2
x = 1,2,3
0, otherwise
a. Find c that f(x) is probability function
b. F(3)-F(2) ( Attention: F(.) shows cumulative distribution function)
3.A sack contains tickets numbered from 1 to 50. Two tickets are selected randomly. What is
the probability that
(a).both tickets are prime numbers?
(b). both ticket can be exactly divisible by 2 or 5?
(c).both tickets can be exactly divisible by 3 and 7 at the same time?
4.There exist 20 stations between cities of A and B (the satiations in A and B are included).
Tickets will be issued for those stations.
4
0.1
Duration 60 minutes
((((
0
Transcribed Image Text:Y=y P(Y=y) 1 FERA 0.4 Find V (Y) Let X be a discrete random variable defined by (c. 3* 2 0.3 Good Luck f(x) = x! a.How many one way tickets will be issued? b.How many two way ticket will be issued? Q Ara 3 0.2 x = 1,2,3 0, otherwise a. Find c that f(x) is probability function b. F(3)-F(2) ( Attention: F(.) shows cumulative distribution function) 3.A sack contains tickets numbered from 1 to 50. Two tickets are selected randomly. What is the probability that (a).both tickets are prime numbers? (b). both ticket can be exactly divisible by 2 or 5? (c).both tickets can be exactly divisible by 3 and 7 at the same time? 4.There exist 20 stations between cities of A and B (the satiations in A and B are included). Tickets will be issued for those stations. 4 0.1 Duration 60 minutes (((( 0
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