Chapter 13- Statistical Distributions (statistics)

Question 1

ΣP( X=x) = ?

Answer 1

ΣP( X=x) = 1

Question 2

what 5 conditions must be met for binomial distribution?

Answer 2

The binomial distribution happens if these 5 conditions are met

1) there is a fixed number of trials
2) all trials are independent
3) each trial has to be ‘success’ or ‘failure’
4) the probability of ‘success’ is constant
5) the variable is the total number of successes in the n trials