Essay
A distribution of measurements is relatively mound-shaped, with mean 70 and standard deviation 10.
a. What percentage of the measurements will fall between 60 and 80?
b. What percentage of the measurements will fall between 50 and 90?
c. What percentage of the measurements will fall between 50 and 80?
d. If a measurement is chosen at random from this distribution, what is the probability that it will be greater than 80?
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