Give the probability distribution for the indicated random variable. HINT [See Example 3.] (Enter your probabilities as fractions.) Three fair coins are tossed, and X is the square of the number of heads showing. x 0 1 4 9 P(X = x) Draw the corresponding histogram. P(X)=x O 0.3 0.2 0.1 P(X)=X 0.4 0.3 0.2 x 0 1 4 9 0 1 4 9 P(X)=x 0.3 0.2 0.1 0 1 9 Calculate P(1 X 9). (Enter your probability as a fraction.) O P(X)=x 0.4 0.3 0.2 1 4 9