Advanced Counting

A bag has 4 red, 2 blue, and 1 green marbles. What is the probability of choosing a red marble?

• 2/7
• 7/4
• 1/7
• 4/6
• 4/7

A fair 5-section spinner and a fair 2-section spinner are spun once. What is the probability of getting one chosen section on each spinner?

• 1/10
• 1/7
• 5/2
• 2/10

Which probabilities are impossible for an event?

• 0
• −0.2
• 1
• 75%
• 1/2
• 1.3

A fair 4-section spinner and a fair 3-section spinner are spun once. What is the probability of getting one chosen section on each spinner?

• 2/12
• 1/12
• 1/7
• 3/12
• 4/3

A bag has 3 red, 6 blue, and 5 green marbles. What is the probability of choosing a red marble?

• 5/14
• 3/9
• 14/3
• 3/14
• 6/14

A fair 5-section spinner and a fair 5-section spinner are spun once. What is the probability of getting one chosen section on each spinner?

• 2/25
• 5/25
• 1/25
• 5/5
• 1/10

A bag has 6 red, 3 blue, and 2 green marbles. What is the probability of choosing a red marble?

• 11/6
• 3/11
• 6/11
• 6/9
• 2/11

A bag has 5 red, 8 blue, and 4 green marbles. What is the probability of choosing a red marble?

• 17/5
• 4/17
• 8/17
• 5/17
• 5/13

A bag has 4 red, 6 blue, and 3 green marbles. What is the probability of choosing a red marble?

• 3/13
• 4/10
• 6/13
• 4/13
• 13/4

A fair 2-section spinner and a fair 3-section spinner are spun once. What is the probability of getting one chosen section on each spinner?

• 1/5
• 2/3
• 2/6
• 3/6
• 1/6

The probability that it rains tomorrow is 1/4. What is the probability that it does not rain?

• 3/4
• 1
• 3/5
• 1/4
• 0