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Statistics and Probability Videos 134 videos
SAT Math: Statistics and Probability Drill 1, Problem 2. If the four largest numbers in the set were doubled, what would happen to the median...
SAT Math 1.4 Statistics and Probability. If two standard 6-sided dice are rolled, what is the probability that the sum of the dice will be gre...
SAT Math 1.5 Statistics and Probability. If Silas draws one card, then places it in his pocket and draws another, what is the probability that...
CAHSEE Math 3.4 Statistics, Data, and Probability I 363 Views
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Description:
Statistics, Data, and Probability I: Drill Set 3, Problem 4. How many different avatars can be created based on the given options?
Transcript
- 00:04
Here's a shmoopy question for ya...
- 00:07
To complete their profiles, users of a website are encouraged to
- 00:10
create a representation of themselves, or an avatar.
- 00:15
The following choices are given to each user:
- 00:19
How many different avatars can be created based on these options?
Full Transcript
- 00:23
Here are the potential answers:
- 00:30
So... this question is really testing whether we were awake in class the day
- 00:34
our teacher demonstrated the fundamental counting principle.
- 00:37
Basically it's saying that when we have choices, we just multiply them to get the
- 00:42
full suite of POSSIBLE choices in a set.
- 00:45
Consider a simple example: 3 geeks and 2 jocks.
- 00:49
They could pair in the following ways:
- 00:52
These are all 6 ways that could possibly be constructed from a set of 3 choices and a
- 00:58
set of 2 choices -- 3 times 2 is 6 and... well, you get it.
- 01:02
Now we just need to do the same with all the... colors of the human rainbow provided.
- 01:07
So we just... multiply 'em.
- 01:10
We get 2 times 5 times 4 times 5 times 8... which gives us 1600.
- 01:15
And voila...it's answer D.
- 01:18
And now you can make the avatar to end all avatars.
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