Answer:
-4
Step-by-step explanation:
umm you might want to learn this. I cheated in middleschool/ highschool and was an honor student. I am barely surving college though, you'll need math for your general education requirement.
The formula is x1+x2 divided by 2 and y1+y2 divided by 2.I hope this is what you where looking for
Answer:
$546000
Step-by-step explanation:
($65000×8%)(2)
Answer:
X=80.4
Step-by-step explanation:
Lol
<span>A medical researcher wants to investigate the amount of time it takes for patients' headache pain to be relieved after taking a new prescription painkiller. She plans to use statistical methods to estimate the mean of the population of relief times. She believes that the population is normally distributed with a standard deviation of 18 minutes. How large a sample should she take to estimate the mean time to within 4 minutes with 97% confidence?
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n = [z*s/E]^2
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n = [2.17*18/4]^2 = 96 when rounded up
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