How to find sample size when given margin of error

Asked by admin @ 28/10/2021 in Mathematics viewed by 329 People

Using the Formula n=1/(ME)2 to Determine Sample Size When we want confidence and use the conservative estimate of , we can use the simple formula to roughly determine the sample size needed for a given margin of error . Use this formula to determine the sample size needed for a margin of error of 0.005 . Enter the exact answer.

Answered by admin @ 28/10/2021

Answer:

The sample size needed is 40000.

Step-by-step explanation:

The sample size needed is:

$n = \frac{1}{M^{2}}$

Use this formula to determine the sample size needed for a margin of error of 0.005

This is n when $M = 0.005$ . So

$n = \frac{1}{M^{2}}$

$n = \frac{1}{0.005^{2}}$

$n = 40000$

The sample size needed is 40000.

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