IB PC S1 Review: C3 Probability

If you draw one card from a standard deck, what is the probability of drawing a spade or a red card?

• 13/52
• 26/52
• 39/52
• Not possible

Tags

CCSS.HSS.CP.B.7

A jar contains 4 white chips, 5 purple chips, and 1 black chip. Chips are selected randomly one at a time, and are not replaced.
P(white, then purple, then black)

• 1/36
• 2/39
• 5/41
• 6/43

What is the probability of picking a blue marble, putting it back in the bag, then picking a red marble? (leave answer in fraction form in lowest terms)

• 9/49

• 16/49

• 12/42

• 12/49

The two-way table above gives information about the grades for the semester in Mrs. Hardcase’s English class.

1) What is the probability a randomly selected student got an A or B for the semester?

• 15/100

• 20/100

• 35/100

• 65/100

The two-way table above gives information about the grades for the semester in Mrs. Hardcase’s English class.

4) Given that the grade is an A, what is the probability of the student being female?

• 8/20

• 12/20

• 8/44

• 12/56

Tags

CCSS.HSS.CP.A.4

The question “Do you play soccer?” was asked of 110 students. Results are shown in the table.

17) What is the probability a randomly selected student is male and does not play soccer?

• 42/110

• 33/110

• 12/110

• 23/110

In a room with 28 people, there are 5 women wearing red and 7 wearing blue, and there are 6 men wearing red and 10 men wearing purple. What is the probability of randomly picking one person who is either wearing red or is a male?

Tags

CCSS.HSS.CP.B.7

A restaurant surveys customers with the following results: 8 pizzas, 12 hamburgers, 14 pastas, and 6 steaks. What is the experimental probability of pizza or steak?

P(pizza or steak)

• 20%

• 65%

• 50%

• 35%

Tags

CCSS.HSS.CP.B.7

How many outcomes are there with tossing a coin and rolling a dice?

• 2
• 6
• 12
• 24

Identify the shaded area...

• A∩B

• A∪B

• A'∩B'

• A'∪B'

Tags

CCSS.HSS.CP.A.1