Carnival
Iowa bike riders
Taco Bell
vroom vroom
100

At the carnival you spin a wheel and have a 3/5 chance of landing on blue and 2/5 chance of landing on red. If you land on blue then you pick out of a box with 3 oranges, 2 lemons, and 1 apple. If you land on red you pick out of a box with 4 oranges, 2 lemons, and 4 apples.

What's the probability of getting an apple given that you land on blue?



10%


1/10


100

What is the probability someone can ride a bike?

4/5 


80%

100

Ms. S has a 40% chance of getting to leave school before 4. If she leaves school before 4, there's a 50% chance she'll go to Taco Bell, a 25% chance she'll make dinner at home, or she'll have to eat cheese sticks until she's full. If she doesn't get to leave before 4 there's only a 20% chance she gets to go to Taco Bell, a 30% chance she'll make dinner. But there's 50% she'll just have to eat cheese sticks. 


What's the probability Ms. S will get Taco Bell for dinner if she leaves school before 4? 

20%

1/5 

100

What's the probability that a student chosen from the population doesn't have their driver's license? 

62%


31/50

200

At the carnival you spin a wheel and have a 3/5 chance of landing on blue and 2/5 chance of landing on red. If you land on blue then you pick out of a box with 3 oranges, 2 lemons, and 1 apple. If you land on red you pick out of a box with 4 oranges, 2 lemons, and 4 apples

What is the probability of picking an orange? 

23/50


 46%

200

What's the probability someone is a resident of Iowa and can't ride a bike? 

46/275 

16.7%

200

Ms. S has a 40% chance of getting to leave school before 4. If she leaves school before 4, there's a 50% chance she'll go to Taco Bell, a 25% chance she'll make dinner at home, or she'll have to eat cheese sticks until she's full. If she doesn't get to leave before 4 there's only a 20% chance she gets to go to Taco Bell, a 30% chance she'll make dinner. But there's 50% she'll just have to eat cheese sticks. 


What's the probability that Ms. S has to eat cheese sticks for dinner? 

40% 


2/5

200

What’s the probability that a student is over 16 and they have their driver’s license?


38% 

19/50

300

At the carnival you spin a wheel and have a 3/5 chance of landing on blue and 2/5 chance of landing on red. If you land on blue then you pick out of a box with 3 oranges, 2 lemons, and 1 apple. If you land on red you pick out of a box with 4 oranges, 2 lemons, and 4 apples.

What's the probability of picking an orange or a lemon?

74%

37/50

300

What's the probability that a resident from Iowa can ride a bike?

80%


4/5

300

Ms. S has a 40% chance of getting to leave school before 4. If she leaves school before 4, there's a 50% chance she'll go to Taco Bell, a 25% chance she'll make dinner at home, or she'll have to eat cheese sticks until she's full. If she doesn't get to leave before 4 there's only a 20% chance she gets to go to Taco Bell, a 30% chance she'll make dinner. But there's a 50% she'll just have to eat cheese sticks. 

What's the probability that Ms. S doesn't get to go to taco bell given that she leaves before 4?

1/5 


20%

300

Are having your driver’s license and being under 16 mutually exclusive? Explain why or why not (on your board)

Yes, you cannot have your license if you are under 16

400

At the carnival you spin a wheel and have a 3/5 chance of landing on blue and 2/5 chance of landing on red. If you land on blue then you pick out of a box with 3 oranges, 2 lemons, and 1 apple. If you land on red you pick out of a box with 4 oranges, 2 lemons, and 4 apples.


What's the probability of landing on red given that you pick an apple?

8/13


61.5%

400

What's the probability that a non-resident of Iowa cannot ride a bike?

1/5 


20%

400

Ms. S has a 40% chance of getting to leave school before 4. If she leaves school before 4, there's a 50% chance she'll go to Taco Bell, a 25% chance she'll make dinner at home, or she'll have to eat cheese sticks until she's full. If she doesn't get to leave before 4 there's only a 20% chance she gets to go to Taco Bell, a 30% chance she'll make dinner. But there's a 50% she'll just have to eat cheese sticks. 


What's the probability that she left school before 4 given that she had to make dinner? 

35.7%


5/14

400

Are having your driver's license and being over 16 independent events? Explain why or why not on your board. You can show work or use your words. 


No, the probability of having your license increases if you're over 16. 

500

Are the ability to ride bikes and residency of Iowa independent events? BE ABLE TO SHOW WORK AND HAVE AN EXPLANATION ON YOUR BOARD

Yes. The probability of riding a bike given being a resident of Iowa and probability of riding a bike anywhere are the same.