a. .9987 b. .4987 c. .5013 d. .1217
1 Answer

Do a zscore lookup for z = 3.01
You can find it here:
http://www.mathsisfun.com/data/standardnormaldis…
Last row, second column = 0.4987
Good luck in your studies,
~ Mitch ~
Source(s): Statistical Techniques in Business and Economics
13th Edition – Lind  Marchal  Wathen