Probability distributions using R Experiment :1 Binomial Distribution Experiment :2 Poisson Distribution Experiment :3 Normal Distribution
#Lab-8 #Program 1 Probability distribution b1=pbinom( 4 , 12 , 0.2 ) #n=12 p=0.2 b2=dbinom( 3 , 12 , 0.2 ) b3=sum(dbinom( 2 : 4 , 12 , 0.2 )) b4=rbinom( 3 , 12 , 0.2 ) b5= 1 -pbinom( 3 , 12 , 0.2 ) b6= 1 -pbinom( 5 , 12 , 0.2 ) b7=sum(dbinom( 0 : 6 , 12 , 0.2 )) b1 b2 b3 b4 b5 b6 b7 #Program 2 #n=6 #p=0.5 b1=dbinom( 2 , 6 , 0.5 ) b2= 1 -pbinom( 4 , 6 , 0.5 ) b3= 1 -pbinom( 0 , 6 , 0.5 ) b1 b2 b3 #Poisson Distribution #Program 1 n= 2000 p= 0.001 dpois( 3 ,lambda=n*p) ppois( 2 ,lambda=n*p,lower= FALSE ) #Program 2 ppois( 17 ,lambda = 12 ) #Left Tailed #Other Program ppois( 17 ,lambda = 12 ,lower= FALSE ) #Right Tailed #Program 3 ppois( 2 ,lambda = 4 ) #Left Tailed dpois( 3 ,lambda= 4 ) #Normal Distribution #dnorm Ex-1 dnorm( 0 ,mean= 0 ,sd= 1 ) #Ex-2 z_scores=seq(- 3 , 3 ,by= 0.1 ) dvalues=dnorm(z_scores) dvalues #pnorm EX-1 pnorm( 0 ) #EX-2 pnorm( 2 ,mean = 5 ,sd= 3 ,lower.tail = F) #EX-3 1 -pnorm( 2 ,mean = 5 ,sd= 3 ,lower.tail = FALSE ) #qnorm #EX-1 qnorm( 0.5 ) #EX-2 qno...
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