Probability

Probability can be written as ...

• a fraction
• a decimal
• a percent
• all of the above

What color are you MOST likely to land on?

• pink

• green

• yellow

• blue

What is the correct Sample space of the possible outcome of rolling a regular die?

• SS= {1, 2, 3, 4, 5, 6}

• SS= {Heads, Tails}

• SS= {1, 2}

• SS= {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}

Bag A contains 9 red marbles, 8 blue marbles and 3 green marbles. Find P(blue).

• 9/20

• 2/5

• 3/20

• 4/5

Bag A contains 9 red marbles, 8 blue marbles and 3 green marbles. Find P(not blue).

• 9/20

• 1/5

• 3/5

• 4/5

If a coin is flipped three times, what is the probability of getting exactly two heads and one tail?

In a bag of colored marbles, 8 are red, 12 are blue, and 5 are green. If a marble is selected at random, what is the probability it is not green?

• 4/5

• 3/5

• 2/5

• 1/5

In dependent (without replacement) and independent (with replacement) events, the mathematical operation used is

• Addition

• Subtraction

• Multiplication

• Division

Bag A contains 9 red marbles and 3 green marbles. Bag B contains 9 black marbles and 6 orange marbles. Find the probability of selecting one green marble from bag A and one black marble from bag B.

• 3/20
• 1/4
• 3/31
• 9/20

Bag A contains 9 red marbles and 3 green marbles. Bag B contains 9 black marbles and 6 orange marbles. Find the probability of selecting one red marble from bag A and one black marble from bag B.

• 3/20
• 1/4
• 3/31
• 9/20