SOLUTION: Question text
The mean price of a gallon of regular unleaded gasoline in a certain metropolitan area last week was $2.64. Only 18% of all places selling gasoline reported prices
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Question 871253: Question text
The mean price of a gallon of regular unleaded gasoline in a certain metropolitan area last week was $2.64. Only 18% of all places selling gasoline reported prices of more than $2.70 per gallon. Determine which of the following statements concerning the standard deviation is true.
Select one:
a. The standard deviation would be approximately 1.18
b. The standard deviation would be approximately 0.154.
c. The standard deviation cannot be computed with the given information.
d. The standard deviation would be approximately 0.066.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
invNorm(.82) = .9154
.9154= .06/sd
sd = .06/.9154 = .066
d.
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