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2 years ago

Which of these groups of relative frequencies would be best represented by a pie chart?

Mathematics

1 answer:

SVETLANKA909090 [29]2 years ago

7 0

All of these would be perfectly fine represented by a pie chart except A, which doesn't add to 100%.

The question seems to be getting at the idea that a pie chart might be better when the slices are all visually different sizes. I don't really think that's right; a pie chart for D say, where the two slices are about the same, gives the correct impression of the relative frequencies, which are about the same.

Answer they're looking for: C

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Answer:

$5000 in the first city
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Step-by-step explanation:

Let x represent the pre-tax hotel charge in the first city in dollars. Then the hotel charge in the second city is x-1000 dollars, and the total tax is ...

... 7.5%·x +5%·(x -1000) = 575

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2 years ago

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Answer:

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Step-by-step explanation:

The constant increase every hour indicates a linear correlation, which can be represented by an arithmetic sequence.

The nth term formula is a formula for any specific term you wish to find.

The formula is:

$U_{n} = a + (n - 1)d$

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d = the common difference (i.e. the difference between any two consecutive terms of the sequence)

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In this case:

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Answer:

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Step-by-step explanation:

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$\int\limits^b_a {f(x)} \,dx=1$

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And also

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Applying this to the probability density function of the exercise :

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Answer:

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