Postest 1 Komstat

#ada rata rata dan sd
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

#punya ratarata waktu tunggu
#exponensial
 eks<-function(x,lambda){lambda*exp((-1)*lambda*x)}
 eks(4,0.166)

## [1] 0.08545482

 #untuk P
 cdfexp <- function(x, lambda = 0.05) {
   pdf <-function(t) {
     lambda * exp(-lambda * t)
   }
   hasil <- integrate(pdf, lower = 0, upper = x)
   return(hasil$value)
 }
 cdfexp(4,0.166)

## [1] 0.4852119

#punya interval uniform
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