SAT Math 2.3 Statistics and Probability

SAT Math 2.3 Statistics and Probability

LanguageEnglish Language
Logical ReasoningFundamental Counting Principle
ProbabilityCombinations
Problem Solving and Data AnalysisData inferences
Product TypeSAT Math
SAT MathStatistics and Probability

Transcript

00:26

The easy way to solve one of these permutation problems is

00:28

to simply take the factorial of the number we are ordering.

00:35

In this case…it's 6.

00:37

We start with 6 spaces to place the students.

00:41

When we go to place the first student, we have 6 to choose from.

00:45

Then, for our next slot, there are only 5 left.

00:47

With each successive space, there is one less

00:50

choice, since another was used up in the previous slot.

00:54

Now, to find the possible permutations of students, we simply multiply the number of

00:58

choices for all slots together.

01:01

Which equals 720, that's 6 factorial.

01:04

So we get 720 possible outcomes. Our answer is just (C).