If X is a discrete random variable with probability mass function given as in Table 3.1, find (i) E[X], (ii) E[2X +3] Table 3.1 Probability mass function of X X P(X) 2115 -2 -1 2 5 0 1 10 1 10 2 1 5
If X is a discrete random variable with probability mass function given as in Table 3.1, find (i) E[X], (ii) E[2X +3] Table 3.1 Probability mass function of X X P(X) 2115 -2 -1 2 5 0 1 10 1 10 2 1 5
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.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 14E
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![If X is a discrete random variable with probability mass function given as in Table 3.1, find
(i) E[X], (ii) E[2X +3]
Table 3.1 Probability mass function of X
X
P(X)
-2
1
5
-1
2
0
1
10
1
10
2
1
5](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff1672c16-bb57-4284-9626-7277ae166ff3%2F7592e68a-6f33-4569-966e-1c1f49296023%2Fx9z3bj8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:If X is a discrete random variable with probability mass function given as in Table 3.1, find
(i) E[X], (ii) E[2X +3]
Table 3.1 Probability mass function of X
X
P(X)
-2
1
5
-1
2
0
1
10
1
10
2
1
5
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