Question

If possible use diagrams to aid calculations.

4. In a raffle there is one first prize of $100, one second prize of $50 and one third prizeof $10. There are 100 tickets sold and first prize is drawn first, then second, then.

third, without replacement. Find the probability that a person buying one ticket in.

the raffle wins.

(a) first prize;.

(b) a prize;.

(c) at least $50.

Answer 1

(a) $P=\frac{1}{100}=0.01.$

(b) $P=\frac{3}{100}=0.03.$

(c) $P=\frac{2}{100}=\frac{1}{50}=0.02.$