Mr. Karly's math test scores are normally distributed with a mean score of 87 (?) and a standard deviation of 4 (?). Using the E

Question

Tcecarenko [31]

3 years ago

15

Mr. Karly's math test scores are normally distributed with a mean score of 87 (?) and a standard deviation of 4 (?). Using the E

mpirical Rule, about 99.7% of the data values lie between which two values?

Mathematics

1 answer:

Arturiano [62] · Answer 1 · 2022-06-18T15:16:34+03:00

Arturiano [62]3 years ago

4 0

The rule says about 99.7% of a normal distribution lies within 3 standard deviations of the mean. Here the mean is 87. 3 standard deviations above the mean represents a score of 87 + 3*4 = 99, while 3 standard deviations below the mean represents a score of 87 - 3*4 = 75.