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 the probability of an event that is certain to happen?

Back

1

Front

What is the probability of an event that is impossible to happen?

Back

0

Front

If a jar contains 2 pink, 6 red, and 4 blue marbles, what is the probability of picking a red or blue marble?

Back

5/6

Front

In a survey of 50 students, if 32 prefer chocolate yogurt, what is the estimated number of students in a school of 450 who would prefer chocolate?

Back

288

Front

What percentage of people favored a gift if it was chosen 16% of the time?

Back

16%.

Front

What is the probability of an event that is equally likely to occur?

Back

0.5

Front

If there are 25 counters: 6 red, 4 white, 7 blue, and 8 yellow, which color is least likely to be chosen?

Back

White.

Front

What is a sample space in probability?

Back

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

Front

What is an event in probability?

Back

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