Percentages and Compound Probability

Front

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100. It is often used to compare proportions.

Front

How do you calculate a percentage?

Back

To calculate a percentage, divide the part by the whole and then multiply by 100. Formula: (Part/Whole) x 100.

Front

What is the formula to find the grade percentage?

Back

Grade Percentage = (Total Questions - Missed Questions) / Total Questions x 100.

Tags

CCSS.6.RP.A.3C

Front

If Phil missed 11 questions on an 88 question test, what is his grade percentage?

Back

87.5%.

Tags

CCSS.6.RP.A.3C

Front

What is compound probability?

Back

Compound probability refers to the probability of two or more events happening at the same time.

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.4

Front

How do you calculate the probability of two independent events occurring?

Back

Multiply the probabilities of each event. Formula: P(A and B) = P(A) x P(B).

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.4

Front

What is the probability of landing on green twice if the probability of landing on green once is 1/6?

Back

Front

What is the sample space in probability?

Back

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

Front

What is the sample space for flipping two coins?

Back

HH, HT, TH, TT.

Front

How do you find the total number of outfit combinations?

Back

Multiply the number of tops, pants, and shoes. Example: 3 tops x 2 pants x 2 shoes = 12 outfits.