Week 22 7th grade compound probability

A letter of the alphabet is chosen at random, then a coin is flipped. What is the probability of choosing a letter from the word MATH then getting tails? 

• 17/26
• 1/13
• 5/13
• 5/26

A coin and a number cube with the numbers 1 through 6 are tossed. What is the probability of the coin showing tails and the number cube showing the number 3? 

• 1/12
• 1/4
• 1/8
• 1/2

A number cube is rolled twice. What is the probability of getting a 6 on the first roll, then a number less than 5 on the second roll? 

• 2/3
• 5/36
• 1/9
• 1/36

If you roll one die, what is the probability of getting an odd number or a 4?

• 2/3
• 1/3
• 1/2
• 1/6

If you roll 2 dice, how many ways can you get a sum of 4?

• 1
• 2
• 3
• 4

Lucy has the spinner pictured and spins it twice in a row. What is the probability that she lands on blue first and then on yellow or green? Simplify.

• 1 / 16

• 1 ⁄ 6

• 1 ⁄ 8

• 3 ⁄ 4

When using a 6-sided number cube, what is the probability or rolling a 3, then not rolling a 3, and then rolling an even number? Simplify.

• 1/12

• 1/2

• 5/6

• 5/72

Find the probability of each set of independent events.

Flipping a tail on a coin and spinning NOT a 5 on a spinner with sections of equal area numbered 1-5.

Simplify.

• 1/2

• 1/7

• 2/5

• 1/10

Lucy has the spinner pictured and spins it. What is the probability that she lands on blue or on yellow? Simplify.

• 1 / 16

• 1 ⁄ 2

• 1 ⁄ 8

• 3 ⁄ 4

A number cube is rolled twice. What is the probability of getting a 6 on the first roll, then a number less than 5 on the second roll? 

• 2/3
• 5/36
• 1/9
• 1/36