Let A be a discrete random variable with probability distribution: Four independent observations are made. Y is
Question:
Let A be a discrete random variable with probability distribution:
Four independent observations are made. Y is the sum of these observations.
a. Find the probability density function of Y.
b. Find E(Y).
c. Find Var(Y).
Transcribed Image Text:
1 2 3 P(X = x) 0.2 0.3 0.5
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ANSWER a To find the probability density function of Y we can use the convolution formula which stat...View the full answer
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Related Book For
Cambridge International AS & A Level Further Mathematics Coursebook
ISBN: 9781108403375
1st Edition
Authors: Lee Mckelvey, Martin Crozier
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