PosttestKomstat_Salsabilla Daha

eks <- function(x, lambda) {lambda*exp((-1)*lambda*x)}
eks(4, 0.167)

## [1] 0.08562641

cdfexp <- function(x, lambda = 0.167) {
  pdf <- function(t) {
    lambda * exp(-lambda  * t)
  }
  hasil <- integrate(pdf, lower = 0, upper = x)
  return(hasil$value)
}
cdfexp(4, 0.167)

## [1] 0.487267

uniform <- function(x, a = 0, b = 1) {1/(b - a)}
uniform(6, a = 2, b = 10)

## [1] 0.125

dunif(6, min = 2, max = 10)

## [1] 0.125

norm <- function(x, miu, sigma)(1 / (sigma * sqrt(2 * pi)) * exp(-1/2 * ((x - miu)/sigma)^2))
norm(4, 5, 1)

## [1] 0.2419707

dnorm(4, mean = 5, sd = 1)

## [1] 0.2419707