Answer to Question #197470 in Statistics and Probability for Andu

Question

8. In a lottery 200 tickets are sold. Tickets are either red or blue. The winning ticket is chosen at random. a) What is the probability that the winning ticket will be green? b) 79 children and 90 women buy one ticket each. Men buy the rest of the tickets.

Find the probability that a man buys the winning ticket.

Answer 1

a) The probability that the winning ticket will be green is:

P(green) = 0/200 = 0.

b) The number of men is: 200 - 79 - 90 = 31.

The probability that a man buys the winning ticket is:

P(man win) = 31/200 = 0.155.