1.
What is the probability of selecting a red or yellow marble from a bag that contains 20 red marbles, 15 yellow marbles, and 35 green marbles?
A.
B.
C.
D.
1:1
Hint
2.
What are the odds of choosing a red marble from a bag that contains 20 red marbles, 15 yellow marbles, and 35 green marbles?
A.
2:5
B.
4:5
C.
4:7
D.
2:7
Hint
3.
Find the odds of rolling a number greater than or equal to four on a number cube.
A.
B.
C.
D.
Hint
4.
A bag contains 10 blue marbles, 7 white marbles, 6 red marbles, and 2 green marbles. What is the probability of randomly selecting a blue marble?
A.
B.
C.
D.
Hint
5.
A weather forecaster states that the probability of rain is 30%. What are the odds that it will rain?
A.
B.
C.
D.
Hint