Complete the following:
Q1. Suppose that a variable x has the following distribution function:
f(x) = 0.0800x for x between 0 and 5.0
What is the population mean?
Q2. Suppose that a variable x has the following distribution function:
f(x) = 0.3200x for x between 0 and 2.5
What is the population variance?
Q3. Suppose that a variable x has the following distribution function:
f(x) = 0.02000x for x between 0 and 10
What is the value of the cumulative distribution function (F(x))at x = 6?
Q4. Suppose that a variable x has the following distribution function:
f(x) = 0.01683x for x between 0 and 11
What is the value F(7) - F(4)?
Q5. Suppose that a variable x has the following distribution function:
f(x) = 0.01389x for x between 0 and 12
What is the probability that x takes on a value between 4 and 10?