The life span of lions in a particular zoo are normally distributaed. The average loin lives 11 years; the standard deviation is 1.6 years. what is the z-score of libby the loin that lived 15 years

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.