AP Statistics Review - Session 1 - April 12, 2025

Front

What is the probability of winning a prize in a game where the probability is 0.26?

Back

If a player plays this game a very large number of times, the player will win a prize about 26% of the time.

Front

What is a census in statistics?

Back

A census is a sampling plan where data is collected from every member of the population.

Front

What does it mean for two events to be mutually exclusive?

Back

Two events are mutually exclusive if they cannot occur at the same time.

Front

What is a confidence interval?

Back

A confidence interval is a range of values used to estimate the true parameter of a population, with a specified level of confidence.

Front

What does it mean if a confidence interval includes a specific value?

Back

If a confidence interval includes a specific value, it suggests that there is not enough evidence to conclude that the true parameter is different from that value.

Front

What is the probability of getting at least 3 spam emails in a sample of 50 if 4% of emails are spam?

Back

The approximate probability is 0.3233.

Front

What is the difference between independent and dependent events?

Back

Independent events are those whose outcomes do not affect each other, while dependent events are those whose outcomes are influenced by one another.

Front

What is the law of large numbers?

Back

The law of large numbers states that as the number of trials increases, the experimental probability will converge to the theoretical probability.

Front

What is a simple random sample?

Back

A simple random sample is a sampling method where every member of the population has an equal chance of being selected.

Front

What is a stratified random sample?

Back

A stratified random sample is a sampling method where the population is divided into subgroups (strata) and random samples are taken from each stratum.