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Suppose that prices of a certain model of new homes are normally distributed with a mean of $150,000 and a standard deviation of $1,100. Find the percentage of buyers who said their price range is between $150,000 and $153,300.
a.49.58%
b.99.75%
c.34.05%
d.47.50%
The 95% confidence interval for the mean of the sampling distribution of the mean is about:
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An independent financial advisor claims an average rate of return, μ, on a particular investment is at least 7%. In testing her claim, the correct pair of hypotheses is:
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Do hotel managers on average vary significantly in femininity score from men in general?
Type the above data into the SPSS Data Editor window, or save this file as an unformatted text file and write SPSS syntax to read it in.
Use a .10 level of significance to test the claim that the variance of all scores in the population is more than 9.
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