Venn Diagrams
Given a survey of 300 people to select which ice cream they preferred, vanilla or chocolate and this information: 160 people liked chocolate, 100 people liked both and 40 people liked neither. This is the probability that a randomly chosen person prefers chocolate only.
What is 1 out of 5 (or 60 out of 300)
You flip a coin and rolla dice. This is the probability that the coin lands on heads and the dice lands on a number less than 5.
What is 1 out of 3
A $20, 2 $10, 3 $5, and 4 $1 bills are placed in a bag. This is your expected value.
What is $5.90?
What is 1 out of 16?
Box of chocolate has 12 caramel and 12 milk chocolate. This is the probability that I will eat a milk chocolate.
What is 1 out of 2?
Given: 300 people surveyed.
160 people like chocolate
100 people like both
40 people like neither.
What is the probability that a randomly selected person prefers chocolate and vanilla?
What is 1 out of 3 (or 100 out of 300)?
There are 18 girls and 12 boys in your class. This is the probability that a new kid entering your class will be a boy.
what is 40%
In a game you flip a coin twice and record the number of heads.
You get 10 points for 2 heads, zero points for 1 head, and 5 points for 0 heads. This is your expected value.
What is $3.75?
A spinner has 8 sections number 1 to 8. What is the probability of spinning an odd number and then a number less than 3?
What is 1 out of 8?
Box of chocolate with 10 caramel and 16 milk chocolate. This is the probability that I will get a caramel, eat it, and then get another caramel.
What is 9 out of 65?
Suppose we are told that 65 people like country and 55 like R&B/Rap, 10 like both, and 25 like neither. How many were surveyed?
What is 135?
8 out of 10 people at the circus are kids. 575 tickets sold. This is how many are expected to be kids.
What is 460?
This is the average that you could win or lose if you play the game many times.
What is expected value?
What is the probability that 3 fair coins will all come up Heads?
What is 1 out of 8?
I have a box of 24 chocolates and 15 are caramel and 9 are milk chocolate. What is the probability that I will get a nut?
What is 0?
400 college students surveyed
120 and enrolled in math
220 are enrolled in English
55 enrolled in both
This is the number that were in enrolled in neither class.
What is 115?
You roll two dice. This is the probability that you get a 2 and a number greater than 2?
What is 1 out of 9?
A raffle is held to win a $1000 plasma television.
2000 tickets are sold at $1.00 each. This is the expected value.
What is -$.50?
There are 4 red blocks in a bag. There are also 2 orange. This is the probability that I will choose two red blocks without replacement.
What is 2 out of 5?
I have a box of 20 chocolates. 8 are caramel and the rest are milk chocolate. What is the probability that I eat a milk chocolate and then a caramel?
What is 24 out of 95?
35 children
10 have blonde hair
14 have brown eyes
4 have both
This is the probability ath a child has blond hair or brown eyes.
What is 4 out of 7. (or 20 out of 35)
Five out of 8 bags of M&Ms had exactly 32 pieces in them. This is the number of bags out of 40 that have exactly 32 pieces.
What is 25?
Game consists of flipping two coins. If both coins turn up heads, you win $1.00. What is the expected value of one play?
What is 25 cents?
I have a spinner showing numbers 1 to 8. What is the probability that I'll spin a number that is greater than 5?
what is 3 out of 8?
I have a box of 10 caramel, 10 nougat, and 10 milk chocolate. What is the probability that I eat three milk chocolates in a row?
What is 6 out of 203?