A random sample of 21 checking accounts at a bank showed an average daily balance of $430 with a standard deviation of $50

a. Provide a 95% confidence interval estimate of the variance of the population of the checking accounts.
b. Provide a 95% confidence interval estimate of the standard deviation of the population of the checking accounts.


a. 1463.27 to 5213.76
b. 38.25 to 72.21

Business

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Keisha has $4200 now and plans on investing it in a fund that will pay her 16% interest compounded quarterly. How much will Keisha have accumulated after 2 years? (PV of $1, FV of $1, PVA of $1, and FVA of $1) (Use appropriate factor(s) from the tables provided.)

A. $5748.12 B. $4872.00 C. $5544.00 D. $5651.52 E. $4200.00

Business

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Business