A random sample of police officers take a proficiency exam. Their mean score is a 60 with a standard deviation of 8.

What proportion of exam scores fall above 80?

(Note: the probability of Z scores can be find in Z table, look at Z table in your text book or see slide #17)

| Mail - Domini X M Additional Re X C Intellectual Pr x W Our Opportun x PB Political Beha x | Academic Cal X |LII Guardian Ad x Content * *Homework H X Q (Chapter 7: D x | Content X Bb 4182611 X + X C https://learn-us-east-1-prod-fleet02-xythos.content.blackboardcdn.com/5f3731704cfb1/4182611?X-Blackboard-Expiration= 16485120000008X-Blackboard-Signature=K1mhhszk%2BIEisdX%2BfTOZktqNY27Kq%2FCFoTrsyr6.. Not syncing E 17 of 28 Q + Page view | A Read aloud | Add text | Draw Highlight Erase Standard Normal or Z table 0.03 0.04 0.06 0.07 0.08 0.09 0.0000 0. .0040 0.0080 0.0120 0.0160 0.019 0.0239 0.0279 0.0319 0.0359 30 westfield.ma.edu Westfield STATE UNIVERSITY Type here to search O EM 33'F Mostly cloudy ~ _ ) 3/28/2022 3:44 PM