Q.2 Following table represents a probability distribution. -5 9. P(X = x) = P,(x) 0.5 0.25 0.25 (1) Find mean and variance. (ii) Find and sketch cumulative distribution function.
Q.2 Following table represents a probability distribution. -5 9. P(X = x) = P,(x) 0.5 0.25 0.25 (1) Find mean and variance. (ii) Find and sketch cumulative distribution function.
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section11.3: Shapes Of Distributions
Problem 7Q
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![Q.2 Following table represents a probability distribution.
X
-5
6.
9.
P(X = x) = P,(x)
0.5
0.25
0.25
%3D
(i) Find mean and variance.
(ii) Find and sketch cumulative distribution function.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4f9bc1b6-a688-42d4-84d8-1eed37a66c7a%2F68bfc09e-a692-4fd1-a467-791f9639175d%2Ftd1clie_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q.2 Following table represents a probability distribution.
X
-5
6.
9.
P(X = x) = P,(x)
0.5
0.25
0.25
%3D
(i) Find mean and variance.
(ii) Find and sketch cumulative distribution function.
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