Question 1 10 pts Select the best vaid pt for the random variable R representing

Question

Question 1 10 pts Select the best vaid pt for the random variable R representing the nesuit when a tai sided de a roled once 00333*1,215 Question 2 10 pts True or Faise The probability dstribution for the number of Jasz CDs when 4 CDs ae elected at random from a colection consieting of 5 Jazz CDs. 2 classical CDs and 3 1 2.3.4 Question 3 10 pts A random verable X is descrbed by the following pm 0.19 031 8.07 What is the comect value tor 10) for this to be a vald pm Question4 0 pts Atvdom wide X is described b. the tolowing pet 0.34 0 40 0.05 008 What is PX-225

Explanation / Answer

Q1 )

f(r) = 1/15 = 0.0667 , r = 1,2, .... , 15

Answer: option 2nd is correct

Q 2) True - Its hyper geometric distribution

Q 3) f(0) =1 - (0.19+0.31+0.25+0.07) = 1-0.82 = 0.18

f(0) = 0.18

Q 4)P(X=2.25) = 0

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