Show:
Probability Basics
One OR the Other
This AND That
Fun Facts
100
This interval represents the range of any probability.
What is 0 to 1?
100
If the probability of event A is 0.92, this is the probability of the other option, event B.
What is 0.08?
100
DAILY DOUBLE: Spell my last name.
What is S E C C A R E C C I A. WHY DOESN'T EVERYONE KNOW THIS???
100
Given this many people in the same room, there is a 50.7% chance that at least 2 people share the same birthday.
What is 23?
200
I flip a coin 4 times. It lands on 'tails' once, and 'heads' three times. What is the probability that it will land on 'tails' on the fifth flip
What is 0.5?
200
You decide to play Twister with some friends, because you're awesome, and games that were made in the 1990s are the best. This is the probability of landing on any colour other than green.
What is 0.75?
200
You roll 2 dice. The first one is a 12 sided die. If the probability of rolling an 11 on the first roll and a 3 using the second die is 1/96, this is how many sides the second die has.
What is 8?
200
If there are 57 people in the room, this number, worn by "The Great One", represents the percentage that at least 2 people share the same birthday.
What is 99?
300
This is the formula for calculating the probability of a certain event (english or french).
What is number of favourable outcomes/total possible outcomes (nombre de resultats favorables/nombre de resultat possible)?
300
You roll a 29 sided die. This is the probability that you roll an even number, a 1, or a 3.
What is 16/29?
300
TRICK QUESTION (worth double the points): 6 marbles are in a bag - 1 blue, 2 white, and 3 red. This is the probability of pulling a red one out of the bag, then choosing a white one. Note: once you choose the red one, you do not put it back in the bag.
What is 3/30? (chances of pulling a red are 3/6, chances of then pulling a white are 1/5)
300
The Monty Hall Problem demonstrates that when the host of a gameshow eliminate one door, and gives us the chance to change, we should. By doing so, our probability does this.
What is increase (go up, improve, etc.)?
400
There are 10 marbles in a bag: 3 are red, 2 are blue and 5 are green. The contents of the bag are shaken before Mr. Seccareccia randomly chooses one marble from the bag. What is the probability that he doesn't pick a red marble?
What is 0.7?
400
TRICK QUESTION (TRIPLE the points): You flip a coin three times. This is the probability that at least 2 are heads. HINT: draw out the possibilities.
What is 0.5?
400
If you and a friend guessed a random answered a multiple choice question with 4 possible answers, this is the probability that both of you answer it correctly?
What is 1/16?
400
The likelihood of choosing the 6 correct numbers on a lotto 6/49 is roughly this. I wouldn't count on it...
What is 14,000,000?
500
Given a loaded die (a cheater's die that is likely to land on a particular number) that lands on 5, this is the number you are LEAST likely to roll.
What is 2?
500
DAILY DOUBLE: If you and a friend guessed a random answered a multiple choice question with 4 possible answers, this is the probability that one of you gets it right, and the other gets it wrong.
What is 6/64?
500
If you and a friend guessed a random answered a multiple choice question with 4 possible answers, this is the probability that you get it right, and your friend gets it wrong.
What is 3/16
500
This casino game is notorious for having the highest odds relative to the house. However, as the number of decks increase, those odds decrease.
What is Blackjack (or 21)?