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The distribution of passenger vehicle speeds traveling on EDSA is approximately normal with a mean of 72.6 miles/ hour and a standard deviation of 4.78
The distribution of passenger vehicle speeds traveling on EDSA is approximately normal with a mean of 72.6 miles/ hour and a standard deviation of 4.78 miles/hour.
- describe the sampling distribution of the sample means by stating its mean and standard deviation.
- what is the probability that the mean speed of 25 randomly chosen cars travels less than 70 miles/hour?
- what is the probability that the mean speed of 25 randomly chosen cars travels more than 76 miles/hours?
- what is the probability that the mean speed of 25 randomly chosen cars travel between 72 and 75miles/hour?
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Microeconomics An Intuitive Approach with Calculus
Authors: Thomas Nechyba
1st edition
538453257, 978-0538453257
