This will be involving the simultaneous and random selection of three balls from a box, but assume that the box contains 7 red balls and 4 blue balls. The random variable X is defined to be the number of blue balls selected. A. How many different values are possible for the random variable

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This will be involving the simultaneous and random selection of three balls from a box, but assume that the box contains 7 red balls and 4 blue balls. The random variable X is defined to be the number of blue balls selected.

A. How many different values are possible for the random variable X? 

B. Fill in the table below to complete the probability density function of X. Be certain to list the values of XX in ascending order.

 

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