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SAT Math Videos 171 videos
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SAT Math 3.1 Statistics and Probability 184 Views
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SAT Math 3.1 Statistics and Probability
SAT Math 3.1 Statistics and Probability
Transcript
- 00:03
Here's your shmoop du jour, brought to you by Pants.
- 00:06
Without them, belts would look awfully silly.
- 00:10
How many different outfits can be made from a choice of
- 00:13
three pairs of pants, four shirts, and two pairs of shoes?
- 00:16
And here are the potential answers…
Full Transcript
- 00:19
This is a very simple question of combinations.
- 00:23
A combination is a selection of objects the order of which doesn't matter.
- 00:27
We are making outfits that consist of shirts, pants and shoes.
- 00:31
There are 3 things we need to pick, so we have 3 slots.
- 00:35
The problem tells us we have 4 shirts here, 3 pants here, and 2 shoes here.
- 00:42
To find the total number of combinations of outfits, we can multiply the three together.
- 00:47
So, it's 4 times 3 times 2 equals 24. Our answer is (E).
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