4.21 The random variable x has the following discrete probability distribution: 10 11 12 13 14 P(x) 2 2 Since the values that x can assume are mutually exclusive events, the event {xs 12} is the union of three mutually exclusive events: {x = 10} U {x = 11}U {x = 12} a. Find P(x s 12) h. Find P(x > 12). End P .< 14Y 어
4.21 The random variable x has the following discrete probability distribution: 10 11 12 13 14 P(x) 2 2 Since the values that x can assume are mutually exclusive events, the event {xs 12} is the union of three mutually exclusive events: {x = 10} U {x = 11}U {x = 12} a. Find P(x s 12) h. Find P(x > 12). End P .< 14Y 어
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:4.21 The random variable x has the following discrete probability
distribution:
10
11
12
13
14
P(x)
.2
3
2
.1
.2
Since the values that x can assume are mutually exclusive
events, the event {x s 12} is the union of three mutually
exclusive events:
{x = 10} U {x = 11} u {x = 12}
a. Find P(x s 12).
b. Find P(x > 12).
c. Find P(x s 14).
d. Find P(x = 14).
e. Find P(x s 11 or x > 12).
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