With reference to the preceding exercise, find the corresponding distribution function and use it to determine the probabilities that a random variable having this distribution function will take on a value

(a) between 0.45 and 0.75 ;

(b) less than 0.6.

Data From Preceding Exercise

Determining a joint cumulative distribution function Find the joint cumulative distribution function of the two random variables of the preceding exercise, and use it to find the probability that both random variables will take on values less than 1.