(Solved): a. A number is selected at random from 1 to 42 . Find the probability of selecting a number greater ...

a. A number is selected at random from 1 to 42 . Find the probability of selecting a number greater than 30. Enter your answer as a fraction. Answer: b. Balls numbered 1 to 42 are placed in a bag. Three balls are drawn at random without replacement. Find the probability that all three numbers drawn are odd. Enter your answer as a fraction. Answer: