Assuming that the daily wages for workers in a particular industry
averages Birr 11.90 per day and the
standard deviation is Birr 0.40. If the
wages are assumed to be normally
distributed, determine what percentage
of workers receive wages
A. between Birr 10.90 and Birr 11.90
B. between Birr 10.80 and Birr 12.40
C. between Birr 12.20 and Birr 13.10
D. less than Birr 11.00
E. more than Birr 12.95​

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.