binomial distribution

Question 1

P(x) = (n x) p^x q^(n-x)

Answer 1

το (n x ) einai dionimiko anaptigma, oxi pollaplasiasmos

Question 2

P(x) = ?

Answer 2

probability of having x successes in n drops

Question 3

p^x = ?

Answer 3

probability of getting a successful event

Question 4

q^(n-x) = ?

Answer 4

probability that an event fails

Question 5

n = ?

Answer 5

of drops

Question 6

x = ?

Answer 6

of successful events

Question 7

C(n,r) = nCr = ?

Answer 7

C(n,r) = (n r) = n! / ( r! (n-r)! ) => # of possible combinations that can be obtained by taking a sample of items from a larger set.

Question 8

mean (μέση τιμή)

Answer 8

μ = n p

Question 9

standard deviation (τυπική απόκλιση)

Answer 9

σ = (n p q)^ 1/2