3. The price of a gallon of regular gasoline at 75
gas stations across the state is normally
...
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Mathematics, 14.05.2021 19:30 krojas015
3. The price of a gallon of regular gasoline at 75
gas stations across the state is normally
distributed with a mean of $2.05 and a standard
deviation of 4¢.
a) What percent of gas stations sella gallon of
regular gas for less than $1.97?
b) What percent of gas stations sell a gallon of
regular gas for at least $2.17?
c) What is the probability that a ga station sells a
gallon of regular gas for less than $1.97 or
greater than $2.05?
d) About how many stations sell a gallon of
regular gas for no more than $2.bi?
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Answers: 2
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