# Posts by Mahalakshmi

Total # Posts: 5

**math**

A random variable x has a following probability distribution. x: 0 1 2 3 P(X=x): 1/6 1/2 1/5 2/15 How to calculate E(1/(X+1))?

**statistics**

A random variable x has a following probability distribution. x: 0 1 2 3 P(X=x) 1/6 1/2 1/5 2/15 How to calculate E(1/(X+1))?

**math**

A random variable x has a probability distribution. How to calculate E(1/(X+1))?

**math**

A bucket contains 7 red, 3 blue, 2 black and 1 yellow ball of the same size. A random selection of 5 balls is taken from the bucket. find the probability that the random selection will contain atleast 1 red ball?

**entrepreneurship**

1- Which entrepreneurial/small business owner characteristics does Bill have that may be important to his success? Which characteristics could lead to his failure? 2- What steps should Bill take to avoid the pitfalls common to a small business?