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tatyana61 [14]
3 years ago
11

A video game company surveys a random sample of 225 of its best customer and finds that the average gamer spends $606 a year on

games, with a standard deviation of $62. Another company is also interested in the amount game consumers spend, and surveys a random sample of 250 gamers, over all interest levels, and finds that the average gamer spends $250 a year on games, with a standard deviation of $15. Why is the second survey more believable than the first?
Mathematics
1 answer:
victus00 [196]3 years ago
6 0

Answer:

Multi facets

Step-by-step explanation:

First company surveys best customers so they are highest spending

First company standard deviation is high @ $62 so their spends are $606 a year plus or minus $180 (rounded up)

Second company has a Random sample so includes all customers

Second company has larger number of responses

Second company has a range of plus or minus $40

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Step-by-step explanation:

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A square desktop has an area of 324 square inches. What is the length of one side of the desktop
Sveta_85 [38]
Question: The area of a square is 324 square inches. What is the length of one side of the square?
The formula for finding area of squares is:

Length x Width

Squares have 4 sides, and all sides measure the same. If the area is 324 square units, that means the length and width are the same.

x X x=x2

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x squared(x²) is equal to 324. To find x, you have to do the opposite of squaring, which is finding the square root.

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The length and width gotten was 18. Put that into the formula:

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Answer:

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Step-by-step explanation:

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But remeber that the derivative of  e^{x} is  e^{x}

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