Prizes in a raffle are determined by taking a ball from a bag. There are 15 balls in the bag, 12 of them are green, two of them with black stars. There are two silver balls, one with a black star, and one gold ball. If you draw the green ball, without the black star, you win a small prize. If you get a green ball with the black star, you get a medium prize. If you get the silver ball without the star, you get a large prize. If you get the silver ball with the black star, you get the extra-large prize. If you get the gold ball, you get the super deluxe prize.


If you get a ball, what is the probability of getting the green with the black star?


The probability of getting the green ball with the star is

a.) 0.1333

b.) 0.1133

c.) 0.0123

d.) 0.0333


This is an example of:

a.) a joint event

b.) an elementary event


The probability of winning the small prize is:

a. 0.7666

b. 0.6666

c. 0.6667

d. 0.6777

This is an example of:

a.) a joint event

b.) an elementary event


What is the probability of winning the super deluxe prize?


The probability of winning the super deluxe prize is:

a.) 6.6677

b.) 0.6667

c.) 0.7667

d.) 0.0667

This is an example of:

a.) a joint event

b.) an elementary event