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 $3.49 and $3.69 per gallon (to 1 decimal)? % b. What percentage of regular grade gasoline sells for between $3.49 and $3.79 per gallon (to 1 decimal)? % c. What percentage of regular grade gasoline sells for more than $3.69 per gallon (to 1 decimal)? %

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.