Consider the following exponential probability density function.
f(x) = (1)/(5)e−x/5 for x ≥ 0
(a) Write the formula for P(x ≤ x0).
(b) Find P(x ≤ 3). (Round your answer to four decimal places.)
(c) Find P(x ≥ 5). (Round your answer to four decimal places.)
(d) Find P(x ≤ 7). (Round your answer to four decimal places.)
(e) Find P(3 ≤ x ≤ 7). (Round your answer to four decimal places.)
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