A distribution of measurements is relatively mound-shaped with mean 50 and standard deviation 10.
a. What proportion of the measurements will fall between 40 and 60?
b. What proportion of the measurements will fall between 30 and 70?
c. What proportion of the measurements will fall between 30 and 60?
d. If a measurement is chosen at random from this distribution, what is the probability that it will be greater than 60?
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