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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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Segment NO is parallel to the segment KL.

Solution:

Given KLM is a triangle.

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3 years ago
How do you round the area of a circle with 3.14?
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Answer:

(This is a example since you don’t have anything to round to)

Example Answer if the radius is 4 - 50.24

Step-by-step explanation:

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7 0
3 years ago
A banner is in the shape of a right triangle. the area is 63 inches. The height of the banner is 4 in less than twice the width
Blizzard [7]
Area=1/2 times base times height
note:bh=base times height

a=1/2bh
b=width

h=-4+2w
h=2w-4
subsitute
a=1/2w(2w-4)
a=1/2(2s^2-4w)
a=w^2-2w
a=63
63=w^2-2w
subtract 63 from both sdies
0=w^2-2w-63
factor
find what 2 numbers multiply to get -63 and add to get -2
the numbers are -9 and 7
so
0=(w-9)(w+7)
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w-9=0
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legnth=14 in
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5 0
3 years ago
A particular geometric sequence has strictly decreasing terms. After the first term, each successive term is calculated by multi
Maksim231197 [3]

Answer:

6 possible integers

Step-by-step explanation:

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Required

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The next will be; x *  (\frac{m}{7})^2

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<em>Hence, there are 6 possible integer</em>

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