Business, 31.12.2019 07:31 giordanolucia18

You want to estimate the proportion of adults who make over $50,000 a year in your county. according to a study done two years ago, the proportion is .18, and you suspect the proportion hasn't changed.

you need a margin of error of no more than ± 2%.

which of these expressions would give you your minimum sample size?

a. n = ap statistics semester 2 non-ap pre-calculus semester 1 .18(1 - .18)

b. n = ap statistics semester 2 p(1 - p)

c. n = ap statistics semester 2

d. n = ap statistics semester 2

e. can't be determined

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