AP Stats Unit 8

Which of the following shows how to determine when a die is rolled P(multiple of 2 or a multiple of 3)?

• 2/6 + 1/6 - 3/6

• 4/6 + 2/6 - 1/6

• 3/6 + 2/6 - 1/6

• 5/6 + 1/6 - 3/6

Which of the following shows how to determine P(packers or male)?

• 75/150 + 90/150 - 50/150

• 75/150 + 35/150 - 25/150

• 50/150 + 40/150 + 25/150

• 90/150 + 50/150 - 75/150

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

A bag contains 9 green marbles, 5 yellow marbles and 6 red marbles.  You choose one marble.   What is the probability of selecting a green or red marble?  Do you add or multiply probabilities?

• Add

• Multiply

A bag contains 9 green marbles, 5 yellow marbles and 6 red marbles.  You choose one marble.   What is the probability of selecting a green or red marble?

• 8/15

• 6/11

• 3/4

• 2/3

Leon throws a biased coin. The probability of getting tails is 0.4.

Work out the probability of getting heads.

• 0.4

• 0.6

• 0.8

• 0.2

Clara picks a marble at random, puts it back, and then picks another marble at random.

• Dependent

• Independent

The outcome of one event does influence the outcome of the other event.

• mutually exclusive event

• probability

• dependent event

• simple probability

Ten cards numbered 1-10 are placed in a hat. What is the probability of randomly drawing a card with an even number then a card with a number greater than or equal to five if the first card is replaced?

• 1/4

• 2/3

• 3/10

• 3/5

Find the probability of drawing a 10 from a standard deck of 52 cards.

• 4 out of 52

• 13 out of 52

• 13/52

• 4/52