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SAT Math 1.1 Numbers and Operations. How many combinations of beverage and cereal can be made?
SAT Math 1.3 Statistics and Probability. Approximately what is the probability that they will be placed in alphabetical order?
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SAT Math 1.1 Numbers and Operations 280 Views
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Description:
SAT Math 1.1 Numbers and Operations. How many combinations of beverage and cereal can be made?
- Numbers and Operations / Ratios, Proportions, and Percents
- Numbers and Operations / Counting Problems
- Product Type / SAT Math
- Statistics and Probability / Understand independence and conditional probability
- Statistics and Probability / Understand and interpret independence and conditional probability
- Passport to Advanced Math / Interpreting nonlinear expressions
Transcript
- 00:02
Here's your shmoop du jour: Breakfast at the school cafeteria offers the
- 00:06
choice of 2% milk, chocolate milk, or orange juice...
- 00:09
...and one of the following cereals: Cheerios, Froot Loops, Raisin Bran, or Corn Flakes.
- 00:15
How many combinations of beverage and cereal can be made?
- 00:18
Here are the potential answers....
Full Transcript
- 00:22
First, let's count the number of drink choices and the number of cereal choices.
- 00:26
We count 3 drink choices and 4 cereal choices. We want to figure out how many drink and cereal
- 00:33
combinations we can make.
- 00:35
Some potential breakfast combinations could be chocolate milk and Corn Flakes, Orange
- 00:41
Juice and Froot Loops, 2% milk and Raisin Bra
- 00:45
We could just list all of them, but that would take a while. There's a better way.
- 00:49
There are 3 drink choices, and each drink can be paired with 4 different cereals.
- 00:54
That means all we have to do is multiply 3 by 4
- 00:58
to get that there are a total of 12 combinations.
- 01:01
The correct answer is (D).
- 01:02
Now don't forget to eat the most important meal of the day.
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