Probability

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

• 5/11
• 40%
• 1/3
• 5

How do you write 0.02 as a percent?

• 20%
• 200%
• 2%
• .02%

A bag has 3 red marbles, 2 blue and 4 green and 1 yellow. What is the theoretical probability of pulling a red?

• 30%
• 3/9
• 1/4
• 25%

The chance of an event happening is called... 

• Event
• Result
• Outcome
• Probability

The set of all the possible outcomes is called:

• Result
• Sample Space
• Probability
• Event

Which shows the sample space for flipping two coins? 
H = heads, T = tails

• H, T
• HH, HT, TH, TT
• HH, TT
• HH, TT, TT, HH

The cafeteria is serving three kinds of sandwiches:  tuna (T), chicken, (C), and peanut butter (P).  They are also serving a choice of two drinks:  milk (M) or water (W).  Which shows the CORRECT Sample Space List of possible combinations?

• TW, CW, PW
• TW, TM, TC, CW, PW
• TW, TM, CW, CM, PW, PM
• TCP, MW

Three coins are tossed.  Use the Sample Space provided. What's the probability of flipping only one tails? 

• ⅛
• 1/4 
• ⅓
• ⅞

The sample space tree diagram for a team of three students is shown.  What is the probability that the team would consist of at least 2 girls?

• ½
• ⅜
• ¾
• ⅙

Tree diagrams are useful because...

• they are cool to draw.
• they show you pictures of the food.
• they show you all possible outcomes.
• they only show you the best choices.