M Were we helpful? - Ipearl@comm x Home X zy Section 4.2 - MAT 240: Applied St x *Homework Help - Q&A from Onl x + V X C A learn.zybooks.com/zybook/MAT-240-J5406-OL-TRAD-UG.22EW5/chapter/4/section/2 ... =zyBooks My library > MAT 240: Applied Statistics home > 4.2: Normal distribution zyBooks catalog ? Help/FAQ @ Kristin Segovia In 2015, the College Board SAT mathematics score of high school seniors, which follow an approximately normal distribution, had a mean of 511 and a standard deviation of 1202 1) What percentage of seniors who took the test in 2015 scored 0 between 271 and 751? O approximately 50% O approximately 68% O approximately 95% 2) What percentage of seniors who took the test in 2015 scored above 631? O approximately 16% O approximately 68% O approximately 84% 3) What percentage of seniors who took the test in 2015 scored between 271 and 511? O approximately 68% O approximately 16% O approximately 47.5% 4) Should a score of 770 be considered unusual? O Yes O No Type here to search O 66.F Cloudy ~ [ (7 (() 2:16 PM 5/28/2022