Dice
Coins
Random Probabilities
Deck of Cards
Bias
100
What is the probability of rolling a 6 on a 15 sided die?
The probability is 1/15
100
What is the probability of a coin landing on heads?
The probability is 1/2
100
The probability it rains tomorrow is 0.3. What is the probability it doesn't rain?
0.7
100
What is the probability of picking a four in a deck of cards?
The probability is 4/52 or 1/13
100
Why is the graph biased?
Graph does not start at 0.
200
What is the probability of not rolling a 3 or 4 on a fair dice?
The probability is 4/6 or 2/3
200
What is the probability of a coin landing on tails?
The probability is 1/2
200
At a carnival, there is a game where you shoot balls into a basket. The probability of getting the ball into the basket is 1/6.
What is the probability you get a ball in the basket, then miss, miss again and then get the ball in?
25/1296 or 0.02.
200
What is the probability of getting a spade from a deck of cards?
The probability is 13/52 or 1/4
200
Why is this graph misleading?
Graph only changes from 15 to 16.
300
What is the probability of rolling a 1 or an even number on a 6 sided die?
The probability is 4/6 or 2/3
300
What is the probability of flipping two coins and landing on heads and then tails?
The probability is 1/4
300
Suppose you flip a coin and draw cards from a standard deck. The probability that you will get heads or draw a Joker is what?
0.50.
300
What is the probability of getting a heart or an ace of spades from a deck of cards?
The probability is 14/52 or 7/26
300
Why is this graph nonsense?
Correlation does not equal causation.
400
What is the probability of rolling a 2 and then a number higher than 4 when rolling two 6 sided dice?
The probability is 2/36 or 1/18
400
What is the probability of flipping three coins and each one landing on heads?
The probability is 1/8
400
The probability it snows on Monday in Canada is 0.02. The probability it snows on Tuesday is 0.5. What is the probability it snows both days?
0.01
400
What is the probability of drawing a nine, keeping it, then drawing another 9 from a deck of cards?
The probability is 12/2652 or 1/221
400
Consider the following statement:
"People in Canada love playing Ice Hockey. In a survey of 30 million Canadians, 95% of them love playing Hockey. This means that 90% of all people in South Africa also love playing Ice Hockey."
Is this true? Why or why not?
This is not true. You cannot generalize data from one sample to another.
500
What is the probability of rolling a 7 on a regular dice?
The probability is 0.
500
What is the probability of flipping five coins and getting heads, then tails, then tails, then heads, and then tails?
The probability is 1/32
500
The probability of winning some lotteries is 1/14,000,000. What would be the probability of winning the lottery twice?
1 in 196,000,000,000,000
or
1 in one hundred and ninety six trillion
500
What is the probability of drawing an ace, returning it, then drawing a Spade Card from a deck of cards?
The probability is 52/2704 or 1/52
500
If you flip a coin 100,000 times, realistically, heads will not always appear 50% of the time. Is this True or False?
True.