Page 377 - NUMINO_WB_6B

186-B6-1

1. Inside a bag, there is one marble numbered 1, two marbles numbered 2, three
marbles numbered 3, and four marbles numbered 4. Find the probability for each
event.

4 2 3
43 1
3
4

4

2

a. The probability of taking out two marbles numbered 4 after putting the 1st
marble back in the bag.

b. The probability of taking out two marbles numbered 4 without putting the 1st
marble back in the bag.

c. The probability of getting an even number the first time and an odd number the
second time after putting the 1st marble back in the bag.

d. The probability of getting an even number the first time and an odd number the
second time without putting the 1st marble back in the bag.