Question

Find the following scores and their associated percentages USING THE Z-TABLES IN YOUR TEXTBOOK AND ONLY USING “AREA BETWEEN MEAN AND Z.” Please write the number in its entirety (5 digits), and as a percent (that is, 1.00 = 34.134%, not .34134 [and certainly not .34134%—this is completely incorrect). Each answer is worth one point.

1.58 _____% 2.43 _____% -1.20 _____%

2.30 _____% -1.34 _____% -2.67 _____%

-0.81 _____% -3.12 _____% 0.50 _____%

2.66 _____% 3.04 _____% -1.30 _____%

-1.00 _____% -1.61 _____% 1.78 _____%

1.87 _____% -0.49 _____% -2.77 _____%

0.05 _____% -0.44 _____% 1.06 _____%

Answer 1

I used this table for probabilities because you don't given any table in your textbook.

The probability corresponding to negative Z-score is same as that of positive Z-score because normal distribution is symmetric about mean.