Probability Rules
Random Variables
Binomial Distribution
Sampling and Bias
Class lore
100

The probability of all outcomes added together equals this.

What is 1

100

A variable whose value is determined by chance.

What is a random variable.

100

A binomial distribution has this many outcomes per trial.

What is two.

100

A small group representing a population.

What is a sample.

100

What is Javons middle name

What is Oliver?

200

Events that cannot happen at the same time.

What are mutually exclusive events

200

A variable that takes countable values.

What is a discrete random variable.

200

The number of trials in a binomial experiment.

What is n.

200

Every member has an equal chance of being chosen.

What is a simple random sample.

200

What position does Bentley play

What is WR/RB

300

If A and B are independent, P(A and B) equals this.

What is P(A) × P(B).

300

A variable that takes any value in an interval.

What is a continuous random variable.

300

The probability of success is represented by this letter.

What is p.

300

A flaw that makes survey results inaccurate.

What is bias.

300

How many sports did Awalt play this year

What is 3

400

The probability that event A does not happen.

What is 1 − P(A).

400

The long‑run average value of a random variable.

What is the expected value.

400

Formula for the mean of a binomial distribution.

What is np

400

Sampling that includes groups in correct proportions.

What is stratified sampling.

400

What color was Yoralis hair in October

What is Purple

500

Formula for conditional probability.

 What is P(A|B) = P(A and B) ÷ P(B).


500

The measure of spread for a random variable. 

What is variance

500

Formula for the standard deviation of a binomial distribution.

What is √(np(1−p)).

500

Bias caused when people choose to respond or not.

What is voluntary response bias.

500

What is myas middle name

Analise