According to an article, 38% of adults have experienced a breakup at least once during the last 10 years. Of 9 randomly selected adults, find the probability that the number, X, who have experienced a breakup at least once during the last 10 years is
a. exactly five; at most five; at least five.
b. at least one; at most one.
c. between five and seven, inclusive.
d. Determine the probability distribution of the random variable X.