Suppose that the random variable x has an exponential distribution with θ = 1.5. Find the probability that x will assume a value within the interval μ ± 2σ.
A) .950213
B) .049787
C) .716531
D) .864665

Question

Quizplus · Accepted Answer

The probability that x will assume a value within the interval μ ± 2σ is given by P(μ - 2σ < x < μ + 2σ) = P(-1 < x < 5) = 0.950213.

Suppose That the Random Variable X Has an Exponential Distribution