statistics test 3

Question 1

uniform probability distribution

Answer 1

all outcomes are equally likely

Question 2

A continuous random variable is normally distributed or has normal probability distribution if…

Answer 2

its relative frequency histogram has the shape of a normal curve

Question 3

standard normal distribution

Answer 3

mean = 0

standard deviation = 1

Question 4

z score (z)

Answer 4

x-μ/ σ