| Expected Value | Fractions | Factorials | Misc. | N/A |
|---|---|---|---|---|
|
33%
If there is a 67% chance it will rain, what is the chance that it will not rain?
|
1/4
If you roll a die and flip a coin, what are the odds of flipping heads and rolling an even number?
|
2 arrangements
How many different arrangements of 3 people are there if Carol cannot sit by Amanda?
|
1/8, 12.5%
What is the percent of flipping a coin 3 times and getting head all 3 times?
|
|
|
0%
If there is a 50% chance that the shirt is blue and 50% that the shirt is red, what is the chance the shirt is yellow?
|
1/104
If you flip a coin and draw a card from a fair deck, what are the odds of getting tails and drawing the ace of spades?
|
4 arrangements
How many different arrangements of 4 people are there if Rick has to sit by Tina?
|
1/2,652
What are the odds of picking both black tens in order without replacement?
|
|
|
12.5%
If the chance of rain is 25% given it is June, and November-March are the only months with no rain, what is the chance it is June if it is raining?
|
1/48
What are the odds of rolling a die and getting a 2, flipping a coin and getting heads, and drawing a card and getting a diamond?
|
4 arrangements
How many different arrangements of people are there if there are 5 people and Dave must sit in the middle?
|
5,040
7!
|
|
|
99.988%
If there is a 0.00012/100 chance I will die tomorrow, what is the percent chance I won't die?
|
3/40
In a bag of 16 marbles, with 6 red, 3 white, 1 blue, and one yellow marble, what are the odds of choosing a red marble, not replacing it, then choosing a white one?
|
9 arrangements
How many different arrangements of 6 people are there if there are 3 boys and 3 girls and they must sit in boy-girl order?
|
1/3
In a bag of 23 marbles, with 7 red, 6 blue, 5 yellow, and 2 white marbles, what are the odds of picking a blue, white, and red marble without replacement?
|
|
|
12.5%
Given that there is a 50% chance of sun, there is a 75% chance there will be clouds. Overall, what is the chance there will be only sun?
|
0%
Without replacement, what are the odds of picking a 9, a queen of spades, a red six, and a 10 in that order, given that the deck is all cards 7-King?
|
64 arrangements
How many different arrangements of 7 people all in a row are there if Tim has to be next to Dana, and Tiffany has to be on the end?
|
3/1,352
What are the odds of picking a red card, replacing it, then picking a face card, not replacing it, and picking the ace of spades?
|
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