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Null hypothesis, alternative hypothesis

(a) Write the Claim mathematically and identify Ho and Ha
(b) Find the critical value(s) and identify the rejection region(s)
(c) Find the Standardized test statistics.
(d) Decide whether to reject or fail to reject the null hypothesis
In a sample of 1788 of home buyers, you find that 637 home buyers found their real estate agents through a friend. At 0.08, can you reject the claim that 40% of home buyers find their real estate agents through a friend?
Write the Claim mathematically and identify Ho and Ha

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Here is the right solution. THE ATTACHED DOCUMENT HAS SOME ERRORS for HO and the MULTIPLE CHOICE QUESTION. THE FOLLOWING EXPLANATION IS THE RIGHT ANSWER:

The claim is the proportion of home buyers who find their estate agents through a friend is 40%. p=40%
The null hypothesis Ho: the proportion of home buyers who find their estate agents through a friend is equal to 40%. p=40%.
(NULL HYPOTHESIS USUALLY INVOLVES EQUAL SIGNS. IN THIS CASE, IT ...

Solution Summary

The solution provides detailed explanation how to identify the null hypothesis and others.

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