a. What assumption regarding the population is necessary for making an interval estimate for the population mean? Assume that the population has a normal distribution. Assume that the central limit theorem applies. b. Construct the 90% confidence interval for the mean sale time for all homes in the neighborhood. (Round final answer to 2 decimal places.)

Q: What is the coefficient of x²wa³b in the expansion of (x+y+w+a+b)??

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A:

Q: 2) 36³x=¹

A:

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Q: 9 b and c

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Q: Expand (a −b)4

A:

Q: 4. Fill in the following contingency table with the number of observations that fall into each com-…

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Q: (n + 4)3 =

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A:

Q: Expand the expression for Mr Taylor.

A: The previous solution is incorrect. Please follow this one.

Q: What is the 5th term in the expansion of (2x²y³ – ¹y)° O 14.25x7 y 20 15.75x10 y 19 15.05x¹0y17…

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Q: 18(9+7)+3

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A:

Q: 9 tmes 8

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Q: 5. Find the coefficient of a¹¹b4 in the expansion of (a + b)¹5.

A:

Q: 6. Using the data from the contingency table, obtain the value of the test statistic of our test. 7.…

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