0.1 for k=0 0.4 for k=1 Px(k) = (0.3 for k=2 0.2 for k=3 lo otherwisel a. Find EX. b. Find Var(X) c. If Y= (X-2)?, find EY

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter6: Applications Of The Derivative
Section6.5: Differentials: Linear Approximation
Problem 1YT: YOUR TURN Find dy if y=300x23,x=8, and dx=0.05.
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Problem 1
Let X be a discrete random variable with the following PMF.

0.1 for k=0'
0.4 for k=1
0.3 for k=2
0.2 for k=3
Px(k)
lo otherwisel
a. Find EX.
b. Find Var(X)
c. If Y= (X-2), find EY
Transcribed Image Text:0.1 for k=0' 0.4 for k=1 0.3 for k=2 0.2 for k=3 Px(k) lo otherwisel a. Find EX. b. Find Var(X) c. If Y= (X-2), find EY
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