Question: Will you please explain how you worked this out as well. Also i would prefer it it was typed as it is easier to read.

Will you please explain how you worked this out as well. Also i would prefer it it was typed as it is easier to read. Thank you very much :)

b) The price of a house is normally distributed with a standard deviation of (100,000. A sample of 25 houses is selected from the population. The sample mean is equal to $261,500. Test the hypothesis that the population mean is equal to $250,000 (J=250,000). Use 5% significance level. (7 Marks) ii. Repeat the test using 10% significance level. (7 Marks)

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