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Statistics and Probability Videos 63 videos

SAT Math 1.1 Statistics and Probability
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SAT Math 1.1 Statistics and Probability. In which of the following data sets are the arithmetic mean and the median equal?

SAT Math 1.2 Statistics and Probability
1060 Views

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
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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 2.2 Statistics and Probability 242 Views


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Description:

SAT Math 2.2 Statistics and Probability. What percent of her recommended daily intake of 2000 calories did she consume?

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Transcript

00:02

Here’s your shmoop du jour, brought to you by Chocolate Chunk Cookies.

00:06

A great way to cleanse the palate after downing a box of Mint Milanos.

00:10

Emily ate a Chocolate Chunk cookie and drank a Grande <<GRAHN-day>> Caramel

00:14

Macchiato <<MOCK-ee-ah-toe>>, which has 240 calories and 7 grams of fat.

00:18

What percent of her recommended daily intake of 2000 calories did she consume?

00:23

And here are the potential answers…

00:27

It wants us to find the percent of Emily’s 2000 calorie intake that she ate...

00:32

which means we only care about the number of calories she consumed,

00:36

not the amount of fat in her Macchiato. So we can just throw that out.

00:40

Now, to calculate a percent, we just divide our amount by the total, and multiply by 100.

00:45

In this case, the total is 2000 calories, and our amount is the number of calories in

00:49

a chocolate chunk and grande caramel macchiato.

00:52

We’re given that the macchiato has 240 calories,

00:55

and the chocolate chunk, according to the table, has 360 calories.

01:00

Add them. So 240 plus 360 gives us 600 calories.

01:05

Then just take 600 divided by 2000, we get .3.

01:09

Then multiply it by 100, we see that, these two food items, when consumed together...

01:14

...tell us that Emily has had 30% of her daily calorie intake.

01:19

The answer's D.

01:20

Which will be roughly the shape of Emily’s belly if she keeps up her current dietary habits…

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