probability theory and distributions

Question 1

Probability (event) =

Answer 1

times event occurred / total # of trials

Question 2

frequency curve

Answer 2

probability distribution for continuous random variable

Question 3

normal distribution assumptions

Answer 3

central tendency

independent data points

Question 4

standard normal density

Answer 4

u = 0 and sigma = 1

Question 5

z =

Answer 5

x - meu / sigma