Probability of Compound Events

What's the probability of the complement of spinning on black as a fraction?

• 1/4

• 7/8

• 8/8

• 1/8

Tags

CCSS.7.SP.C.5

What's the complement of drawing a blue marble written as a percent?

• 33.3%

• 66.67%

• 8/12

• 80%

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.RP.A.3

What's the probability of the complement of drawing a blue card, written as a percent?

• 33.33%

• 30%

• 50%

• 66.67%

Tags

CCSS.7.SP.C.5

Which of the following shows how to determine P(shaded number or number less than five)?

• 2/8 + 4/8 - 4/8

• 4/8 + 2/8 - 4/8

• 4/8 + 6/8 + 2/8

• 4/8 + 4/8 - 2/8

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Is the situation a mutually exclusive event or non-exclusive (inclusive)

A die is rolled. What is the probability of rolling a 5 or a number greater than 3?

• Exclusive

• Non-Exclusive (Inclusive)

Tags

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Find the probability of drawing an ace or a red card in a standard deck of 52 cards.

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

A bag contains 26 balls with a letter written on each, one ball for each letter of the alphabet. What is the probability that when you get a ball at random, the letter written on the ball is either a vowel or one of the last five letters of the alphabet?

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

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

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Suppose a number cube is rolled twice. What is the probability that an odd number will show both times?

• 1/3
• 1/2
• 1/6
• 1/4

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

In a box there are 3 red pens, 2 green pens, and 1 blue pen. What is the probability of picking a red pen, not replacing it, and then picking a blue pen?

• 1/2
• 4/11
• 1/10
• 2/3

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8