7th Math Unit 6 Review - Probability

Front

What is probability?

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Front

What is a sample space?

Back

A sample space is the set of all possible outcomes of a probability experiment.

Front

How do you calculate the probability of a single event?

Back

The probability of a single event is calculated by dividing the number of favorable outcomes by the total number of possible outcomes.

Front

What is the probability of rolling a number greater than 3 on a six-sided die?

Back

The probability is 1/2, since the favorable outcomes are 4, 5, and 6 out of 6 possible outcomes.

Front

What is the formula for calculating the probability of two independent events occurring?

Back

The probability of two independent events A and B occurring is P(A) * P(B).

Front

If a bag contains 4 red, 6 blue, and 2 white tokens, what is the probability of drawing a blue token?

Back

The probability is 6/12 or 1/2.

Front

What is the probability of drawing a white token after replacing a blue token?

Back

The probability remains 2/12 or 1/6.

Front

How many outcomes are there if you flip a coin and roll a die?

Back

There are 12 outcomes (2 outcomes from the coin and 6 from the die: 2 * 6 = 12).

Front

What is the probability of selecting a strawberry lollipop from a box of 10 lollipops?

Back

The probability is 4/10 or 2/5.

Front

What is the probability of selecting a sour apple lollipop after a strawberry lollipop has been taken?

Back

The probability is 3/9 or 1/3.