11 11 12 points 2 pts eachAnswer the following questions usi

11

11. (12 points -2 pts each)Answer the following questions using the standard normal distribution: A) Write the values of the following about the standard normal distribution: L Mean _____________ ii. Standard deviation _____________ B) What is the probability that a z-score is between -1.2 and 1.74? _____________ C) What percent of data is more than z = 1.56? _________________ D) What z-score represents the 45th percentile? E) What is the value of Z0.75? _______________________ F) What is the total area under the standard normal distribution curve? _________

Solution

a; 0;1

b .9591-.1151= 0.8440

c .0594

d -.0125

e 0.675

f 1.0