What percentage of the area under a normal curve lies within the following boundaries? (use two decimal places)a. Between the mean and a z of 1.27? Between the mean and a z of -0.91? Between the z scores of -1.84 and 1.39? Between the z scores of -258 and 2.58? Above a z of 1.96? Below a z score of -2.58? Above a z score of -1.72? Below a z of 1.96?

Question

What percentage of the area under a normal curve lies within the following boundaries? (use two decimal places)a. Between the mean and a z of 1.27? Between the mean and a z of -0.91? Between the z scores of -1.84 and 1.39? Between the z scores of -258 and 2.58? Above a z of 1.96?  Below a z score of -2.58? Above a z score of -1.72? Below a z of 1.96?

amistre64 · Answer

normalcdf(low, high, mean, sd)

amistre64 · Answer

or if you are using a table of zscores, you would have to know how the table defines it since there are a variety that authors use.