The following table shows the probability distribution for the random variable Y. a. Given that Var(Y) =
Question:
The following table shows the probability distribution for the random variable Y.
a. Given that Var(Y) = 1385.2, show that q2 – 61q + 624 = 0 and solve this equation.
b. Find the greatest possible value of E(Y).
Transcribed Image Text:
1 10 101 P(Y = y) 0.2 0.4 0.2 0.2
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Related Book For
Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook
ISBN: 9781108407304
1st Edition
Authors: Dean Chalmers, Julian Gilbey
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