Suppose the Round-Trip Airfare Between Philadelphia and Los Angeles a Month

question 20

Multiple Choice

Suppose the round-trip airfare between Philadelphia and Los Angeles a month before the departure date follows the normal probability distribution with a mean of $387.20 and a standard deviation of $68.50. What is the probability that a randomly selected airfare between these two cities will be more than $450?

• A)0.2033
• B)0.3669
• C)0.0788
• D)0.1788

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