What is the parameter and statistics

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Reference no: EM132852423

Problem 1: An airline company claims that 92% of passengers who have lest luggage will be reunited on the next day. Though, it seems that the percentage is lower, due to many complaints. A local news station conducted a survey on a random sample of 140 passengers who have lost their luggage on this airline. 117 said that they were able to reunite with their luggage the next day. The rest said it took more than one day or never had it back at all.

a) What is the parameter? What is the statistics?

b) Do we have some evidence to suggest that the percentage of luggage reunited is lower than what is claimed by the company? Why?

c) Lise the Fcur-Step-Procedure to perform a hypothesis test at alpha level of 0.01.

Reference no: EM132852423

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