3 years ago

Calls made in a 3 day telephone fund raiser at a rate of 10 calls per hour

1 answer:

5 0

I'm not sure if this is what you meant, but if there was a 3-day fundraiser and they got 10 calls per hour. The answer would be 3x24=72. There are 72 hours in three days. 10x72=720. In 3 days the fundraiser was called 720 times.

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maks197457 [2]

Answer:

Step-by-step explanation:

Recall the formula for the population mean of a data set:

$\mu=\frac{\sum x}{N}$

We already know that μ is 6 and the sum is 48. Substitute:

$6=\frac{48}{N}$

Divide both sides by 48:

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Reciprocal of both sides:

$N=8$

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And we're done!

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likoan [24]

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Step-by-step explanation:

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