Probability and Statistics

Find the probability of drawing a red from a standard deck of 52 cards, replacing it, then drawing a black

• 13/26

• 1/8

• 1/4

• 1/2

P(Red Card)?

• 26/52, or 1/2

• 1/4

• 1/3

• 1/5

P(Jack)?

• 3/13

• 2/13

• 4/52

• 4/13

Find the probability of drawing a 10 from a standard deck of 52 cards. There are two correct answers.

• 1/13

• 1/52

• 13/52

• 4/52

Find the probability of drawing a red from a standard deck of 52 cards, replacing it, then drawing a spade ♠

• 1/13

• 1/8

• 1/4

• 1/6

What is the probability of rolling a 2 on a die AND pulling a spade♠ out of a deck of cards?

• 1 ⁄ 10

• 1 ⁄ 12

• 1 ⁄ 24

• 1 ⁄ 6

Marietta picks a candle from the bunch, replaces it, and then selects one again. What are the chances that she selects a green both times?

• 1/144

• 1/12

• 1/36

• 2/24

• 2/12

If the probability of event A is 0.7 and the probability of event B is 0.4, and A and B are independent events, what is the probability of either event A or event B occurring?

• 0.9

• 1.1

• 0.3

• 0.2

A box contains 4 red balls, 5 blue balls, and 3 green balls. What is the probability of randomly selecting a red or green ball?

• 5/12

• 7/12

• 3/4

• 2/3

What is the theoretical probability of rolling a 5 on a fair six-sided die?

• 1/6

• 1/4

• 1/3

• 1/2