Let X be a random variable with E(X) = 0 and V (X) = 1. What integer value k will assure us that P(|X| >= k) <= .01?
vx <- 1
sigma <- sqrt(vx)
ex <- 0
k <- vx / (sqrt(.01 * sigma^2))
k## [1] 10Let X be a random variable with E(X) = 0 and V (X) = 1. What integer value k will assure us that P(|X| >= k) <= .01?
vx <- 1
sigma <- sqrt(vx)
ex <- 0
k <- vx / (sqrt(.01 * sigma^2))
k## [1] 10