Probability of Compound (Independent and Dependent)

A number cube is rolled twice. What is the probability of getting a 6 on the first roll, then a number less than 5 on the second roll? 

• 2/3

• 5/36

• 1/9

• 1/36

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

What is the probability of rolling a dice and landing on a 4, and then rolling the dice again and landing on any even number?

• 1 ⁄ 6

• 1 ⁄ 8

• 1 ⁄ 2

• 1 ⁄ 12

Q1. How many legs does a spider have?

• 1) 6

• A) 12

• 2) 2

• 3) 10

P(2 then 5) = 
*Hint: This is a compound event! To find the probability of a compound event, MULTIPLY the probability of each simple event.

• 1/6

• 1/12

• 1/36

You draw a marble from a bag that has 4 red, 2 blue, and 3 green, you also flip a fair coin. What is the probability you will draw a blue marble and flip a heads?

• 1/6

• 3/9

• Susan 2

• 5/6

You flip a coin and roll a die. What is the probability, in a fraction, you flip a heads and roll a 5 or 6?

• 1/6

• Bad Potato

• 1/12

• 12/1

Is the probability of flipping the coin and rolling the die independent or dependent?

• dependent, rolling a number on the die depends on the result from flipping the coin

• independent, rolling a number on the die does not depend on the result from flipping the coin

• neither

You draw a marble from a bag that has 4 red, 2 blue, and 3 green, you also flip a fair coin. What is the probability you will draw a blue marble and flip a heads?

• 1/9

• 3/9

• 3/6

• 5/6

Flip a coin two times

• Independent

• Dependent