Find the z-score that has 76.1% of the distribution's area to its right. The Z-score is (Round to two decimal places as needed.)

Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. 91 The area of the shaded region is . (Round to four decimal places as needed.)

125 OK

Find the z-score that has 70.5% of the distribution's area to its right. The z-score is (Round to two decimal places as needed.)

Use the accompanying table of z-scores and percentiles to find the percentage of data items in a normal distribution that lie between z=0.9 and 2-1.6. Click the icon to view the table of z-scores and percentiles KECI The percentage of data items in a normal distribution that lie between 2-0.9 and 2 1.6 is% (Round to two decimal places as needed.)