biennhan3689 biennhan3689

14-03-2024
Mathematics

contestada

Suppose that mean retail price per gallon of regular grade gasoline is $3.45 with a standard deviation of $0.10 and that the retail
price per gallon has a bell-shaped distribution.
NOTE: Please use empirical rule approximations for this problem.
What percentage of regular grade gasoline sells for between $3.35 and $3.55 per gallon (to 1 decimal)?

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