The acidity level X of a soil sample has a probability density function f(x) A(3 2)x for 1 x 11 (a) What is the value of A (b) Compute and sketch the cumulative distribution function of X (c) What is the median soil acidity level (d) What is the interquartile range of the soil acidity levels ...

a Since b for 1 x 11 c Solving F x 0 5 gi ...

The acidity level X of a soil sample has a probability density function f(x) = A(3/2)x for

Question:

The acidity level X of a soil sample has a probability density function
f(x) = A(3/2)x
for 1 ≤ x ≤ 11.
(a) What is the value of A?
(b) Compute and sketch the cumulative function of X.
(c) What is the median soil acidity level?
(d) What is the interquartile range of the soil acidity levels?
Distribution
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