Saunders Probability Review

What is the probability of rolling a 6 on a fair six-sided die?

• 1/6

• 1/3

• 1/2

• 1/4

If you flip a fair coin twice, what is the probability of getting two heads?

• 1/4

• 1/6

• 1/2

• 1/3

A bag contains 5 red balls and 3 blue balls. What is the probability of drawing a red ball?

• 3/8

• 5/8

• 1/2

• 2/5

If you randomly select a card from a standard deck of 52 cards, what is the probability of drawing a heart?

• The probability of drawing a heart is 1/13 or 0.0769

• The probability of drawing a heart is 1/4 or 0.25

• The probability of drawing a heart is 1/52 or 0.0192

• The probability of drawing a heart is 1/26 or 0.0385

In a class of 30 students, 15 are boys and 15 are girls. What is the probability of randomly selecting a boy?

• 1.0

• 0.25

• 0.5

• 0.75

If you spin a spinner with 8 equal sections numbered 1 to 8, what is the probability of landing on an even number?

• 0.5

• 0.75

• 0.25

• 0.3

A jar contains 10 red marbles, 5 blue marbles, and 3 green marbles. What is the probability of drawing a blue marble?

• 0.25

• 0.75

• 0.40

• 0.10

If you roll two fair six-sided dice, what is the probability of getting a sum of 7?

• The probability of getting a sum of 7 is 1/2.

• The probability of getting a sum of 7 is 1/3.

• The probability of getting a sum of 7 is 1/12.

• The probability of getting a sum of 7 is 6/36 or 1/6.

A box contains 4 black socks and 6 white socks. What is the probability of randomly selecting a black sock?

• 1/5

• 3/10

• 4/10 or 2/5

• 5/6

If you draw a card from a well-shuffled deck, what is the probability of drawing a face card (jack, queen, or king)?

• The probability of drawing a face card is 1/4.

• The probability of drawing a face card is 12/52 or 3/13.

• The probability of drawing a face card is 4/13.

• The probability of drawing a face card is 1/52.