Question

Analyze and answer the problem below. Show all necessary
solutions on a separate sheet of paper.
A box contains 4 blue balls and 3 green balls. Two balls are
draven consecutively without replacement. Assume that the
random variable Y defines the number of blue balls.
1. Construct a probability distribution for Y.
2. What is the mean of the distribution? Interpret the result.
3. Compute the variance and standard deviation of the
distribution.

Answer 1

• refer to the attachment