Simple and Compound Probability

A cookie jar has 3 dozen chocolate chip, 1 dozen peanut butter, and 2 dozen oatmeal raisin cookies. If Megan chooses a cookie, does not replace it, then chooses another, what is the probability that she chooses a peanut butter then a chocolate chip cookie? 

• 2/3
• 1/10
• 6/71
• 11/72

Which of the following situations is represented by this tree diagram?

• 3 shirt options, 6 pants options, and 12 shoe options
• 3 shirt options, 2 pants options, and 2 shoe options
• 2 shirt options, 3 pants options, and 1 shoe option

How many total outfit options are represented?

• 12
• 22
• 3

Dinner is always a green vegetable and either Fish or Chicken.

I can smell cabbage cooking for dinner. Which of the following are true:

• It's probably going to be chicken for dinner

• It might be fish for dinner

• it's unlikely to be fish for dinner

• It could be pork

The probability of getting Broccoli and fish for dinner is:

• 0.5

• 0.15

• 0.7

• 1

The probability of getting Cabbage and Fish is: (select all correct answers!)

• 0.04

• 0.2

• 4%

• 40%

How many total outfit options are represented?

• 12
• 22
• 3

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 complete set of possible combinations?

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

Draw a tree diagram in your math workbook.  Then answer this question. A girls' choir is choosing a uniform for their concert. They can pick red, green, or purple sweaters, and they can pick tan, white, or black skirts. The shoes they need come in gold and black. Assuming all the colors go together, how many different combinations can the choir pick?

• 3 combinations
• 8 combinations
• 12 combinations
• 18 combinations

Draw a tree diagram in your math workbook. Then answer this question. Max is ordering a salad for lunch. He can choose one of chicken, tofu, hard-boiled eggs, or turkey to have on the salad. He can also pick one vegetable topping. The vegetable choices are sprouts, tomatoes, or olives. How many different combinations can Max create?

• 7 combinations

• 12 combinations

• 3 combinations

• 4 combinations