Two studies were completed in florida. one study in northern florida involved 2,000 patients; 64% of them experienced flulike symptoms during the month of december. the other study, in southern florida, involved 3,000 patients; 54% of them experienced flulike symptoms during the same month. which study has the smallest margin of error for a 95% confidence interval?

a. the northern florida study with a margin of error of 1.8%.
b. the southern florida study with a margin of error of 1.8%.
c. the northern florida study with a margin of error of 2.1%.
d. the southern florida study with a margin of error of 2.1%.

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step-by-step explanation:

d 25 pi/6

step-by-step explanation:

the diameter is 10 inches

the radius is 1/2 of the diameter or 5 inches

the area of the circle is

a = pi r^2

  = pi 5^2

  = 25 pi

the slice is 60 degrees of the entire circle.

60 degrees out of 360   60/360 = 1/6

the area of the slice is 1/6 of the circle

a slice = 1/6 a circle

a slice = 1/6 * 25 pi