Math 7 - Study Guide for Final Exam

Front

What is probability?

Back

Probability is a measure of how likely an event is to occur, expressed as a number between 0 and 1.

Front

What is an event in probability?

Back

An event is a specific outcome or a set of outcomes of a random experiment.

Front

What is a number cube?

Back

A number cube, also known as a die, is a cube with each of its six faces showing a different number from 1 to 6.

Front

How do you calculate the probability of a single event?

Back

Probability of a single event = (Number of favorable outcomes) / (Total number of possible outcomes).

Front

What is experimental probability?

Back

Experimental probability is the probability determined by conducting an experiment and observing the outcomes.

Front

What is theoretical probability?

Back

Theoretical probability is the probability calculated based on the possible outcomes in a perfect scenario.

Front

If a number cube is rolled, what is the probability of rolling a 3?

Back

The probability of rolling a 3 is 1/6, since there is one favorable outcome and six possible outcomes.

Front

What does it mean to round to the nearest hundredth?

Back

Rounding to the nearest hundredth means adjusting a number to two decimal places.

Front

What is a representative sample?

Back

A representative sample is a subset of a population that accurately reflects the characteristics of the whole population.

Front

How do you find the area of a circle?

Back

Area = π × (radius)². For a circle with a diameter of 7 meters, the radius is 3.5 meters.