hello, for this problem how did they get 100 points for being top 3% to get an A in this problem?

Problem 2a: Average on exam is 78 points. Maximum is 150 points. SD is 11 points. Top 3% will receive an A. Estimate what is the lowest score that will give you an A 507. 50% average = 70 maximum = 150 -50% -34%. = 167 Standard deviation = 11 261 top 3% A } 18 78 RC wa 150 want an A Hus look at 787 data 16 away 69.37 2 = 347 37 26 95.47 47.7 like above 2 50% -47.7-2.37 78 + (2.5)- 78+ (2.11) - K100PM for an a