Atlantic
Deck of Cards
Marbles
True/False
Random questions about math trivia
100
At Atlantic, the probability that a student has 2nd lunch is .57. The probability that the student has 2nd lunch and is in IB is .32. What is the probability of a having 2nd lunch given that they are in IB?
What is .56?
100
There is a 13/52 chance of a person drawing a spade from a normal deck of cards. What is the probability of a person drawing another spade from the deck given that the first card was not put back into the deck (without replacement)?
What is 12/52?
100
There are 7 pink and 8 blue marbles in a bag. What is the probability of choosing a pink and then a blue marble (with replacement)?
What is 56/225?
100
The probabilities of every outcome within a set will sum to 1
What is true
100
What is the French word for pie chart?
What is Camembert?
200
The probability that of a student staying after school for an extracurricular is .15. The probability that the student stays after school and walks home is .05. What is the probability of a having 2nd lunch given that they are in IB?
What is .33?
200
There is a 4/52 chance of drawing a queen from a normal deck of cards. There is a 1/52 chance of drawing a queen of diamonds. What is the probability of drawing a diamond card given that the card drawn was a queen?
What is 1/4?
200
There are 6 large and 10 small marbles in a bag. What is the probability of choosing a large and then a small marble (with replacement)?
What is 30/128?
200
The formula for conditional probability is read, "The probability of A given B is equal to the intersection of A and B divided by the probability of B (or what is given)"
What is true?
200
what is the only number that that has the same amount of letters as its meaning?
What is four?
300
There are 15 girls and 8 boys in Mrs. Meaney's 7th period. There is a 50% chance that a student will leave the classroom during 7th period. What is the probability of a student leaving the classroom given that they are a boy?
What is 1/2?
300
There is a 13/52 chance of a person drawing a card of clubs from a normal deck of cards. What is the probability of a person drawing a king given that it is a club?
What is 1/13?
300
With two bags of half red and white marbles, there is a 50% chance of choosing a red marble from one bag and then a white marble from the second bag. There is a 50% chance of choosing a red marble from the first bag. Given that a white marble is chosen from the second bag, what is the probability that a red marble is chosen from the first bag?
What is 100%?
300
Two events are not independent if they do not affect one another.
What is false?
300
What is the only number that is twice the sum of its digits?
What is 18?
400
The chance of a teacher at Atlantic attending trivia night is .03. The chance of them attending trivia night and leaving early is .005. What is the probability of the teacher leaving early given that they attended trivia night?
What is .17?
400
There are people playing cards at a party. There is a 10% chance that two people want to shuffle. There is a 75% chance that they both want to shuffle and switch the game. Given that they both want to shuffle, what is the probability that they want to switch the game?
What is 20%?
400
There are 35 yellow and 17 purple marbles in a bag. What is the probability of choosing a purple and then a yellow marble (with replacement)?
What is 595/2704?
400
When calculating a conditional probability, whatever is "given" does not need to be accounted for.
What is false?
400
What is the only number written with all of its letters in reverse alphabetical order?
What is one?
500
The chance of the class getting an "A" average for the 5th-period final is 3/4. The chance of them all ending the course with an "A" and getting an "A" average on the final is 5/16. What is the probability of the class ending with an "A" average given that they got an "A" average on the final?
What is 5/13
500
There is a 12/52 chance of a person drawing a face card from a normal deck of cards. What is the probability of a person drawing another face card from the deck given that the first card was not put back into the deck (without replacement)?
What is 11/51?
500
If there are 26 marbles in a blue bag and 4 marbles in a red bag. In each bag, 3 of them are white and the rest are black. Find the probability of choosing a black marble given that it is chosen from the blue bag.
What is 23/26?
500
The conditional probability formula is only valid when P(A) is greater than 0.
What is true?
500
what is the mathematical name for #?
What is an octothorpe?
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