The sample mean is an estimate of the population mean.
The sample mean is exactly equal to the population mean
<h3>How to determine the true statement</h3>
When the population mean is known; the value of the population mean can be used as the sample mean.
This is so because:
The sample mean is an estimate of the population mean.
And it is represented as:

Hence, the true statement is that the sample mean is exactly equal to the population mean
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80% converted to a decimal is 80/100=0.8
Multiply the total with the percent 685*0.80
The answer is 540
This is the answer to your question
Answer:
Take 4.25 x 8.6= 36.55 feet^2
Step-by-step explanation:
Answer:
11/2
Step-by-step explanation:

when,

Now substitute the value we get,
