Price of Gasoline The average retail price of gasoline (all types) for the first half of...

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Price of Gasoline The average retail price of gasoline (all types) for the first half of 2005 was 212.2 cents. What would the standard deviation have to be in order for a 15% probability that a gallon of gas costs less than $1.80? Round -value calculations to two decimal places and final answer to the nearest cent. Standard deviation is cents. Price of Gasoline The average retail price of gasoline (all types) for the first half of 2005 was 212.2 cents. What would the standard deviation have to be in order for a 15% probability that a gallon of gas costs less than $1.80? Round -value calculations to two decimal places and final answer to the nearest cent. Standard deviation is cents.