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Eddi Din [679]
3 years ago
8

10 POINTS (PLEASE PLEASE I BEG YOU HELP ME)

Mathematics
2 answers:
yulyashka [42]3 years ago
8 0

Answer:

give me points an d i will give u points

Step-by-step explanation: yufikdx

Dvinal [7]3 years ago
6 0
The area of the base would be 79 square ft.
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Mark up is 40% and the cost to store is 162 dollars what is the selling price
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$64.8

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Convert 13.025 to base 10​
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Everything was marked down 30%. The oringinal price of a manatee hat was $18. What was the clearence price
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Or

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5 0
3 years ago
The Wall Street Journal reported that automobile crashes cost the United States $162 billion annually (2008 data). The average c
ivanzaharov [21]

Answer:

n=(\frac{2.326(500)}{120})^2 =93.928 \approx 94

So the answer for this case would be n=94 rounded up to the nearest integer

Step-by-step explanation:

Information given

\bar X represent the sample mean

\mu population mean (variable of interest)

\sigma= 500 represent the population standard deviation

n represent the sample size  

Solution to the problem

The margin of error is given by this formula:

ME=z_{\alpha/2}\frac{s}{\sqrt{n}}    (a)

And on this case we have that ME =120 and we are interested in order to find the value of n, if we solve n from equation (a) we got:

n=(\frac{z_{\alpha/2} \sigma}{ME})^2   (b)

The confidence2 level is 98% or 0.98 then the significance level would be \alpha=1-0.98=0.02 and \alpha/2=0.01, the critical value for this case would be z_{\alpha/2}=2.326, replacing into formula (b) we got:

n=(\frac{2.326(500)}{120})^2 =93.928 \approx 94

So the answer for this case would be n=94 rounded up to the nearest integer

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Corinnes puppy eats 3 meals a day. How many meals does the puppy eat in 32 days
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