Write a formula for standard deviation of sample proportion

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Reference no: EM131412197

The above analysis should suggest that the slope of the line relating variance to (1/sample size) is approximately

[p(1-p)],

where p represents the true proportion of red beads in the box.

a. Write a formula for the variance of a sample proportion as a function of p and the sample size, n.

b. Write a formula for the standard deviation of a sample proportion as a function of p and n.

Reference no: EM131412197

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