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slavikrds [6]
2 years ago
13

What is the answer to the question

Mathematics
1 answer:
lina2011 [118]2 years ago
4 0

Answer:

tatty

Step-by-step explanation:

fff

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In order to estimate the mean amount of time computer users spend on the internet each month. How many computer users must be su
evablogger [386]

Answer:

Step-by-step explanation:

Given that confidence level is 95% and sample mean is within 10 minutes of the population mean.  i.e. margin of error = 10

Std deviation of population= 211 minutes

Margin of error = Z critical * std error

Std error = sigma/sq rt n = \frac{211}{\sqrt{n} }

Hence we have

\frac{211}{\sqrt{n} }\frac{211}{\sqrt{n} }*1.9641.356\\n>1710

The minimum sample size is 1710

a) There may not be 1,809 computer users to survey

4 0
2 years ago
Which of the following is the same as 8.4x 10^2<br> A.8,400<br> B.840<br> C.84<br> D. .84
zysi [14]

Answer: Your answer is B.840


Step-by-step explanation:

What you do first is the exponents 10^2 is 100

8.4 x 100 is 840 because when you multiply you move the decimal points the amount of zero's you have to the right but when you divide you do the opposite. You go left the amount of zeros there are.


6 0
3 years ago
What is the equation of this graphed line? Enter your answer in the slope-intercept form in the box.
Luda [366]

Answer:

y = 2x + 2

Step-by-step explanation:

7 0
3 years ago
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The weight of male Americans between the ages of 18 and 25 is normally distributed, with a mean of 160.4 lb and a standard devia
torisob [31]

you need to substitute.... then do: 160.4(mean)+2(x)*27(z)= 214.4lb

6 0
3 years ago
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Please help solve this​
Oksi-84 [34.3K]
The answer is [3]. :))
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2 years ago
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