1. A seafood restaurant often receives complaints from it’s patrons that the lobster is too small....

1. A seafood restaurant often receives complaints from it’s patrons that the lobster is too small. The menu lists the weight of a lobster as 462g. The next time the restaurant receives a batch of 60 lobsters it weighs them and finds the average is 449g with a standard deviation of 31g. Do you think the restaurant sells lobsters that are smaller than advertised? Perform a hypothesis test at α = 0.01

2. The lifespan of a fruit fly is normally distributed with an average of 40 days and a standard deviation of 7.4 days.

If we take a sample of 80 fruit flies, what is the probability the sample mean is within 1 day of the population mean?

Expert Solution

orchestra answered 1 year ago

A seafood restaurant often receives complaints from it’s patrons that the lobster is too small. The...

A seafood restaurant often receives complaints from it’s patrons that the lobster is too small. The menu lists the weight of a lobster as 462g. The next time the restaurant receives a batch of 60 lobsters it weighs them and finds the average is 451g with a standard deviation of 31g. Do you think the restaurant sells lobsters that are smaller than advertised? Perform a hypothesis test at α = 0.01

4. (4 marks) A seafood restaurant often receives complaints from it’s patrons that the lobster is...

4. A seafood restaurant often receives complaints from it’s patrons that the lobster is too small. The menu lists the weight of a lobster as 462g. The next time the restaurant receives a batch of 60 lobsters it weighs them and finds the average is 451g with a standard deviation of 31g. Do you think the restaurant sells lobsters that are smaller than advertised? Perform a hypothesis test at α = 0.01.

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Assume that you’ve owned and operated a very successful elite seafood restaurant in a rather small...

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