distribution - stats

Question 1

when to use binomial distribution

Answer 1

• when there are a fixed number of trials
• when there are two outcomes, success or failure
• there is a fixed /constant probability of success
• the trials are independent of each other

Question 2

what do the variables in the binomial distribution represent

Answer 2

X ~ B(n,p)
~ means distributed
B means binomially
n is how many times the game is played
p is the success probability

Question 3

when does coding affect standard deviation and variance

Answer 3

when the coding involves multiplication or division

Question 4

whats ur called when each outcome has equal probability

Answer 4

discrete uniform distribution