further stats 2

Question 1

binomial dist

Answer 1

sucess or failture
independent and random trials
let x be…
X~B(n,p)

Question 2

poisson dist

Answer 2

random and independant
uniform rate of occurance
E(x) and Var(x) are the same
lamda is the mean
you can add poison since they are independant
-add mean
-do possible options
-sum
h0: there is no

Question 3

geometric dist

Answer 3

until failtre e,g rolling a dice till get six
prob of getting six on 4th attmpt is
5/6 x 5/6 x 5/6 x 1/6

Question 4

unform dist

Answer 4

equally likely outcomes
if not start from 1 count amount
eg 7,8,9 =1,2,3