Suppose that mean retail price per gallon of regular grade gasoline is $3.59 with a standard deviation of $0.10 and that

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Suppose That Mean Retail Price Per Gallon Of Regular Grade Gasoline Is 3 59 With A Standard Deviation Of 0 10 And That 1 (55.39 KiB) Viewed 76 times

Suppose that mean retail price per gallon of regular grade gasoline is $3.59 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, a. What percentage of regular grade gasoline sells for between $3.39 and $3.79 per gallon (to 1 decimal)? % b. What percentage of regular grade gasoline sells for between $3.39 and $3.69 per gallon (to 1 decimal)? % o c. What percentage of regular grade gasoline sells for less than $3.69 per gallon (to 1 decimal)? %