2. You want to estimate the mean repair cost for dishwashers. The estimate must be within $9 of the population mean. Determine the required sample size to construct a 95% confidence interval for the population mean. Assume the population standard deviation is $21.00

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Q: Find y" by imprcit differen fia fên. Simpliey unenoven Po Ssiole

A: Given:- x2 + 9y2 =9  To find:- y'' of given equation

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Q: This is for parts A,B & C in the quesI wasn't implying just C

A: Mean(µ) = 500Standard deviations (σ) = 10.6X ~ N (µ, σ )= N(500, 10.6)

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Q: Write a two-column proof to show that if ZWXYZ ABC, then WXYZ ABC. ZWXY ہے Given: WXYZ ABC Prove:…

A: We can answer the question as below by following the instructions.