Simple Probability
Definitions
What does this equation answer?
100

When selecting a card from a standard

deck, what is the probability that it is a King?

What is 1/2 or 50%.

100

uniform distribution

What is occurs when, in a single trial, all outcomes are equally likely

100

P(x) = nCx p^xq^n−x

What is Probability Binomial Distribution.
200

An experiment involves rolling three dice and recording the sum. Which 2 numbers from the possible 3-18 are least likely.

What is 3 and 18.

200

hypergeometric probability distribution

What is a distribution with dependent trials whose outcomes are either success or failure.

200

E(X) = ra/n

What is Expectation for a Hypergeometric Distribution.

300

In an experiment, a student searches for a toy behind one of ten doors. Three doors are green and the remaining doors are blue. What is the probability that the toy is behind a green door?

What is 3/10 or 30%

300

Binomial probability distribution

What is a distribution with independent trials whose outcomes are either success or failure.

300

P(x) =1/n

What is Uniform Distribution Probability.

400

A box contains ten red, one green, four blue, and five yellow marbles. A marble is selected at random. What is the probability that the marble is red or yellow?

What is 15/20 or 75%
400

Continuous random variable

What is a variable that can have an infinite number of possible values in a given range, often measurements, such as volume or time.

400

E(X) = np

What is Expectation for a Binomial Distribution.