Mathematics, 12.01.2022 09:10 benjamenburton1
The prices of all college textbooks follow a bell-shaped distribution with a mean of $113 and a standard deviation of $12. Using the empirical rule, find the interval that contains the prices of 99.7% of college textbooks.
Answers: 2
(the uppercase greek alphabet phi) is the cumulative density function of the normal distribution, 
is the mean and 
is the standard deviation of the normal distribution defined as 
.
,
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The prices of all college textbooks follow a bell-shaped distribution with a mean of $113 and a stan...
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