Jet Blue advertises that their flight to Nashville, TN has an average trip time

Question

Jet Blue advertises that their flight to Nashville, TN has an average trip time of 3 hours. A transportation analyst conducts a study to determine if this claim is true. He checks trip time for a sample of 36 trips and finds that the average trip time was 3.75 hours. It is known that the population standard deviation is 0.60 hours.The correct hypothesis to test the trip time is

: less than or equal to 3.75a: greater than 3.75

: greater than or equal to 3a: less than 3

: equal 3a: not equal 3

: equal 3.75a: not equal 3.75

: less than or equal to 3.75a: greater than 3.75

: greater than or equal to 3a: less than 3

: equal 3a: not equal 3

: equal 3.75a: not equal 3.75

Explanation / Answer

Option-C) : equal 3 a: not equal 3

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