Describing binomial-poisson probability distributions

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1. Compute the following and show your steps. 3! ÷ (0!*3!)

2. Three members of a club will be selected to serve as officers. The first person selected will be president, the second person will be vice-president and the third will be secretary/treasurer. How many ways can these officers be selected if there are 30 club members?

A) 52360

B) 4060

C) 24,360

D) 90

E) 27000

3. If X = {2, 6, 10, 14} and P(2) = .2, P(6) = .3, P(10) = .4, and P(14) = .1, can distribution of the random variable X be considered a probability distribution?
A) Yes
B) No

4. We have the random variable X = {5, 6} with P(5) = .2 and P(6) = .8. Find E(X)

5. We have a Poisson distribution with mean = 4. Find P(X = 3), P(X < 3), P(X <= 3), P(X > 3), the variance, and standard deviation

Reference no: EM13100583

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