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Author Question: Explain what the statement of the alternative hypothesis represents in hypothesis testing. Give an ... (Read 467 times)

Lobcity

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on: Jul 24, 2018
Explain what the statement of the alternative hypothesis represents in hypothesis testing. Give an example.

Question 2

Suppose on a highway with a speed limit of 65 mph, the speed of cars are independent and normally distributed with an average speed = 65 mph and standard deviation = 5 mph. What is the probability that the sample mean speed in a random sample of n = 10 cars exceeds 68 mph?


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cadimas

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Reply #1 on: Jul 24, 2018
Answer to Question 1

The alternative hypothesis is the statement that the assumed status quo is false, or that there is a relationship, or that there is a difference. An example of an alternative hypothesis is that there is a difference between the proportion of men and women who favor the death penalty.

Answer to Question 2

0.0288


Lobcity

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Reply #2 on: Jul 24, 2018
Both answers were spot on, thank you once again


cadimas

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Reply #3 on: Jul 24, 2018
Great! Please up vote :D


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