Please help with b and c.

1. An extensive survey on adults' preferred type of exercise resulted in the following table of probabilities. Note: A person can be classified in only one of the categories. Exer Pref |Probability a. Is this a valid probability distribution? walk 38 Why or why not? run .18 yes, the probabilities are between bike 17 swim 12 O and 1. Also, the sum of the probabilities aerobics 05 is equell to 1 . other 10 TRANSLATE INTO PROBABILITY SYMBOLISM AND FIND THE PROBABILITY THAT: b. a person does not prefer to run c. a person prefers to walk, bike, or swim PC V U 2. Given three events A, B, C: A and B are mutually exclusive, A and C are independent. Suppose P(A) = .5, P(B) = .12, and P(C) = .3. danger