Calculate Probability as a Percentage Worksheets
How to Calculate the Probability (as a Percentage) - Calculating probability is something students find exceedingly difficult, but it is an essential concept. Be it weather forecasting or predicting outcomes for games, the probability is frequently used in everyday lives. Probability is the likelihood of an event occurring. It is a mathematical calculation that allows businesses to make well-informed decisions. There are two ways you can write a probability. One is in the form of fractions, and the other is in the form of percentages. Whether you want to calculate probability in fractions or percentages, you will need the total number of possible outcomes in the sample space, and the total number desired outcomes. You need to divide the total number of possible outcomes by the total number of desired outcomes. To calculate the probability in the percentage, you can then multiply the fraction with 100 and find the answer.
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Basic Lesson
Demonstrates calculating probabilities as a percentage. Provides a detailed example. What is probability of getting a five if one card is picked up from a well shuffled pack of 52 cards? One card out of 52 cards can be selected in 52 different ways. Out of these 52 cases four cases will favor the event selecting a five (five of Clubs, five of diamonds, five of Spades, and five of Hearts).
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Intermediate Lesson
This lesson focuses deciphering word problems into manageable probabilities. What are chances of a getting number less than or equal to two in single throw of dice?
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Independent Practice 1
Students practice determining the probability as a percentage with 20 problems. The answers can be found below. A jar contains 34 black, 43 pink, 55 purple, and 1 violet marbles. A marble is drawn at random. P (black).
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Independent Practice 2
Another 20 probability as a percentage problems. The answers can be found below. A jar contains 56 black, 23 red, 21 blue, and 11 green marbles. A marble is drawn at random. P (black).
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Homework Worksheet
Reviews all skills in the unit. A great take home sheet. Also provides a practice problem.
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