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Statistics and Probability Videos 134 videos

SAT Math 1.2 Statistics and Probability
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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
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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
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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...

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CAHSEE Math 3.3 Statistics, Data, and Probability II 198 Views


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Description:

Statistics, Data, and Probability II Drill 3 Problem 3. One hundred twenty of those who were asked preferred what sport?

Language:
English Language

Transcript

00:03

Here’s your shmoop du jour...

00:05

Lavenia invited some people over to watch sports.

00:08

She wasn’t anticipating a turn-out of 400 people though. MAN, she has a lot of friends.

00:13

She took a poll that asked all 400 people what their favorite sport to watch on tv was.

00:18

The results are displayed in the graph below. 

00:23

One hundred twenty of those who were asked preferred… what sport?

00:28

And here are the potential answers…

00:35

Can we read a pretty colored pie chart? You bet.

00:38

The question asks for a percentage – it’s asking ‘what is 120 divided by the total of 400’?

00:45

A shame it doesn’t just come out and SAY that. Guess it has transparency issues.

00:51

Anyway, when we do the math we get 12 over 40 or 6 over 20 or 3 over 10… which is 0.3.

00:57

It's easy to convert this into a percentage.

01:00

All we have to do is multiply it by 10 and we see that it’s 30%.

01:05

So… which two sports combined give us a total of 30%?

01:09

Well, hockey and baseball are both 15%, so the answer is D.

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