Mathematics, 22.12.2020 02:30 octavioC2
The scores from a state standardized test have a bell-shaped distribution with a mean of 100 and a standard deviation of 15. Use the Empirical Rule to find the following.
a) What percentage of students have scores between 70 and 130?
b) What percentage of students have scores between 55 and 115?
c) Where would approximately 99.9% of the fall between?
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