U1 L10: PRACTICA

Probability is ...

• the chance that some event will occur.
• a game that involves coins.
• a guarantee.

What is the probability of spinning green?

• 0

• 3/12 (which is equal to 1/4)

• 6/12 (which is equal to 1/2)

• 9/12 (which is equal to 3/4)

A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 4/9

• 1/9

• 3/9 (which is equal to 1/3)

The probability of rolling an even number on a dice.

• 2/6 (which is equal to 1/3)

• 3/6 (which is equal to 1/2)

• 1/6

• 5/6

What is the probability of landing on NOT PURPLE on this spinner?

• 2/5

• 1/5

• 4/5

• 3/5

What is the probability of spinning a 5 OR HIGHER?

• 2/6 (which is equal to 1/3)

• 5/6

• 6/6

• 1/6

Find the probability of rolling a 7 on a single die.

• 1/6
• 7/6
• 0
• 7/7

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

• 5/11
• 5/6
• 1/3
• 5

What is the probability of pulling a red marble out of a jar of marbles that have 10 green marbles, 7 red marbles and 3 blue marbles?

• 1/7
• 7/20
• 7/10
• 3/10

If you were to roll the die one time what is the probability of it landing on a 2?

• 2 out of 6
• 2 out of 2
• 1 out of 6
• 1 out of 1