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(Solved by Expert Tutors) Part (a)??????????????????????? (3 points) > Chicken Delight


Chicken Delight claims that at least 90 percent of its orders are delivered within 5 minutes of the time the order was placed. A sample of 50 orders revealed that 42 of them were delivered within 5 minutes. Using a level of significance of 0.05, carry out a hypothesis test for Chicken Delight?s claim.

Part (a)??????????????????????? (3 points)

Chicken Delight claims that at least 90 percent of its orders are delivered within 5 minutes of the time the order was placed. A sample of 250 orders revealed that 210 of them were delivered within 5 minutes. Using a level of significance of 0.05, carry out a hypothesis test for Chicken Delight?s claim.

Part (c)??????????????????????? (1 point)

What percentage of orders was delivered within 5 minutes in Part (a)? What percentage of orders was delivered within 5 minutes in Part (b)?

Part (d)??????????? (1 point)

What is the decision regarding H0 (i.e., ?reject? or ?do not reject?) in Part (a)? What is the decision regarding H0 (i.e., ?reject? or ?do not reject?) in Part (b)?

Part (e)??????????????????????? (3 points)

Compare your results from Parts (c) and (d) and provide an explanation for what you find.

 


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Apr 19, 2020

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