1. Use the formula in this example to determine the sample size, n. The estimated prevalence is 39%, and the desired confidence level is 98% with a margin of error of 1%. (Round your answer to the nearest integer.) n =

MATLAB: An Introduction with Applications
6th Edition
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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1. Use the formula in this example to determine the sample size, n.

The estimated prevalence is 39%, and the desired confidence level is 98% with a margin of error of 1%. (Round your answer to the nearest integer.)
n =

2. Use the formula in this example to determine the sample size, n.

The estimated prevalence is 25%, and the desired confidence level is 95% with a margin of error of 9%. (This is the same as in the example, except the margin of error has been changed. Round your answer to the nearest integer.)
n =

3. Find the future value, using the future value formula and a calculator. (Round your answer to the nearest cent.)

$809 at 5.5% compounded quarterly for 6 years

=$

4. Find the future value, using the future value formula and a calculator. (Round your answer to the nearest cent.)

$119,100 at 8.5% compounded continuously for 30 years

=$

5. Find the cost of a home in 30 years, assuming an inflation rate of 1% (compounded continuously), if the present value of the house is $285,000. (Round your answer to the nearest cent.)
=$

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