To be able to say with 95% confidence level that the standard deviation of a data set is within 10% of the population's standard
1 answer:
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Step-by-step explanation:
Given are
Sides of the triangle measure 4 units, 6 units, and 7.21 units.
We need to compute the area of a circle whose circumference matches the triangle's perimeter.
The triangle's perimeter corresponds to the circle's circumference.
4 + 6 + 7.21 = 2πr, where r is the radius of the circle.
r = 2.73 units
Circle's area is:
or
A = 24 square units
Thus, the circle’s area is 24 square units.