A random variable X has this probability distribution where the expected value is p= 2.4. Find a and b 4 3. 2 0.10 0.20 0.10 b 0.20 POO a

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A: As per our guidelines we are suppose to answer only one question. E(X)=∑X.P(X)

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A: x p(x) -3 0.10 0 0.17 1 0.36 3 0.37

Q: a. Find the expected value of each discrete probability distribution. 5. 7. 8. 10 P(x) 0.15 0.32…

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A: Y=1 Y=2 Total X=1 0.20 0.10 0.30 X=2 0.40 0.30 0.70 Total 0.60 0.40 1

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Q: (e) P(1.62 ≤ x ≤ a) = 0.24 a = 2.34

A:

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Q: (e) P(1.62 ≤ x ≤ a) = 0.24 a = 2.24

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