# Probability of Independent & Dependent Events

## Quiz by Erin Clark

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5 questions
• Q1
You choose two candies from a bag containing 6 green, 3 blue and 1 red m & m's. What is the probability that you first choose a green m & m and then you choose a blue m& m. Of course you keep both to eat!
6/10 or 3/5
18/ 90 or 3/15 or 1/5
18/100 or 9/50
3/10
30s
• Q2
Which is an example of DEPENDENT probability?
Taking a sock from a drawer, putting it on your foot and then taking another sock from the drawer?
Selecting a card from a deck of cards, putting it back and then taking another card.
30s
• Q3
Which is an example of INDEPENDENT probability?
Rolling a die and it lands on 5 and flipping a coin and it lands on tails.
Taking a marble out of a jar of 5 marbles and then selecting another marble.
30s
• Q4
You have two dice. What is the probability you roll a 4 on one of them and a 3 on the other?
1/4
1/36
1/30
12/36 or 1/3
30s
• Q5
Given a plate of 5 chocolate chip cookies, 4 oatmeal and 6 sugar cookies, what is the probability you take a chocolate chip cookie, eat it and then take another chocolate chip cookie?
20/225 or 4/45
25/210 or 5/42
25/225 or 1/9
20/210 or 2/21
30s

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