Probability Review

P(3)

P(3, odd)

P(number less than 5)

P(2, then 5)

Mary flips a fair coin three times. What is the probability that the coin will land on heads all 3 times?

Des buys a pack of Starbursts that has 3 orange, 6 pink, 1 yellow, and 5 red Starbursts.  She puts the candy in the bowl.  If she reaches in and grabs two Starbursts without putting one back, what is the probability that she will pick a pink and then a yellow?

• 1/35
• 7/210
• 6/225
• 2/75

A coin and a number cube with the numbers 1 through 6 are tossed. What is the probability of the coin showing tails and the number cube showing the number 3? (leave answer in fraction form in lowest terms)

• 1/12

• 1/4

• 1/8

• 1/2

A bag contains 2 striped cubes, 3 dotted cubes, 4 white cubes and 3 red cubes. What is the probability of drawing a white cube, not replacing it, and then drawing a dotted cube?

• dependent

• independent

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter, not replacing it, and then picking a penny?

• 20/121

• 8/121

• 2/11

• 4/55

What is the probability of randomly selecting a striped marble, replacing it, and then selecting a solid marble?

• 2/5

• 6/25

• 3/5

• 11/50