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Statistics and Probability Videos 63 videos
SAT Math 1.1 Statistics and Probability. In which of the following data sets are the arithmetic mean and the median equal?
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 1.3 Statistics and Probability. Approximately what is the probability that they will be placed in alphabetical order?
SAT Math 3.4 Statistics and Probability 269 Views
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Description:
SAT Math 3.4 Statistics and Probability
Transcript
- 00:03
Here’s your shmoop du jour, brought to you by Positive Integers.
- 00:06
The integers that aren’t always griping about Mondays.
- 00:13
If a, b, and c are positive integers, and a is greater than b, which is greater than c…
- 00:20
…which ratio must be the smallest… of the answer choices provided?
- 00:24
And here are the potential answers…
Full Transcript
- 00:28
This problem can be solved in a number of ways,
- 00:30
but the easiest way is probably by elimination from the answer choices given.
- 00:34
Since we know that a is greater than b and b is greater than c,
- 00:38
we know that answer choices (A), (B), and (C) would all be larger than 1…
- 00:43
…since the larger numbers would all be on top of smaller numbers.
- 00:47
Option (D), on the other hand, is smaller than 1…
- 00:54
…so it's the smallest possible ratio… and the correct answer.
- 00:58
Our answer's D.
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