Probability OPHS

Probability can be written as ...

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

What is the probability of spinning the spinner and having it land on RED?

• 33%
• 50%
• 12%

What is the probability of flipping a coin and getting heads?

• 1/2
• 1/3
• 1/4
• Never, Tails never fails.

What is the probability of spinning an even number?

• 16 2/3%

• 33 1/3%

• 50%

• 75%

What is the probability of pulling a red marble out of a jar of marbles that have 10 green marbles, 7 red marbles and 3 blue marbles?

• 1/7
• 7/20
• 7/10
• 3/10

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? 

• 1/12
• 1/4
• 1/8
• 1/2

Two marbles are randomly drawn from a bag containing 3 purple, 1 blue, and 1 yellow marble. The first marble is blue and is not replaced. Find the probability of drawing a second marble that is purple. 

• 3/5
• 3/4
• 3/20
• 2/5

Two cards are chosen at random from a standard deck of 52 cards without replacement. What is the probability of choosing two kings? 

• 1/26 = 3.85%
• 1/69 = 1.45%
• 1/221 = 0.45%
• 4/663 = 0.60%

An ice cream parlor has 6 different flavors. They have 4 toppings and 2 types of cones. How many possible ice cream combinations are there?

• 6
• 48
• 12
• 24

If I flip a coin 10 times, how many times should I get heads?

• 1
• 10
• 3
• 5