Problems:
Z scores and p values
Fill in the answers for each table below. Please report your z scores to two decimals and your p values to three decimals. If the p value is less than .001, please report p < .001.
Problem 1.
µ = 25 σ = 2
µ = 25 σ = 5
µ = 25 σ = 8
Problem 2.
Setting µ = 60 σ = 7
What is the z score of 78?
What is the z score of 45?
What is the probability of 59?
What is the probability of 62?
What score falls at z = 1.64?
What score falls at z = -1.96?
What percentage of scores are 73 or less?
What proportion of scores is between 45 and 78?