The chance that something happens.
What is probability?
The probability of getting a red card from a standard 52 card deck.
What is 1/2?
Counting system used to calculate arrangements when order matters.
What is permutations?
An average that gives us what the outcome should be numerically but is not necessarily an attainable value.
What is expected value?
The median for the set of data
2 3 5 6 8 9 12
What is 6?
The chance that you do not own a dog if the probability of owning a dog is 72%.
What is 28%
The probability of choosing a red marble if there are 3 red, 2 green and 5 blue.
What is 3/10?
Counting principle used when order does not matter.
What is combinations?
The expected value of playing a game is $1.54. Does this mean one alternative for winning is $1.54?
What is NO?
The mean of the following test scores.
84 87 92 95 100
What is 91.6?
The probability that someone has red hair if there are 12 people with red hair in a room of 244. Answer as a reduced fraction.
What is 1/12?
The probability of getting a number greater than 3 when rolling a standard die.
What is 1/2.
?
The number of ways 20 people could arrange themselves on a 3 person bench.
What is 6960?
The expected value of a game where you pay $1 and have a 40% chance of winning.
What is -$0.20?
The empirical rule approximation of the number of scores between 70 and 80 if the mean is 75 with a standard deviation of 5.
What is 68%?
The probability of a working marker if I choose 2 markers and have 7 markers but 3 are dried up. Give your answer as a fraction.
What is 16/49?
The probability that you draw a red queen from a standard 52 card deck. Give the answer as a reduced fraction.
What is 1/26?
What is 480?
Suppose that Joe does his homework twice a week 65% of the time, once a week 30% of the time and not at all 5% of the time. Give the expected value for the number of times he does his homework.
What is 1.6 times per week?
The z-score if Chris has a test score of 72 on a test where the mean was 67 and the standard deviation was 5.
What is 1?
That probability that all of a committee is students if a committee of 4 is chosen from 25 faculty and 10 students. Give 3 decimal places.
What is 0.004?
The probability that you draw a red card or a King from a standard 52 card deck. Give your answer as a reduced fraction.
What is 7/13?
The total possible number of outcomes for a season record for the Panthers who play 17 games. Assume there are only 2 outcomes per game, win or loss. We will ignore the chance of a tie.
What is 131,072?
A gambler wins $1600 on a good weekend of football betting but loses $1000 on a bad weekend. He has a good weekend 40% of the time. Give his expected winnings.
What is $40.00?
The number of standard deviations away from the mean is a test score of 60 when the mean is 82 with a standard deviation of 7.
What is -3.14 (22/7)?