The bronx residents smoke in the average 10 cigarettes a day. assuming that smoking in the bronx has a normal distribution with standard deviation 8 what percent of the bronx smoke at least a pack of (20) cigarettes a day.

40%

Step-by-step explanation:

average cigerattess Bonux smoke  per day=10

standard deviation of cigarattes=8

percent of the bronx smoke at least a pack of (20) cigarettes a day.=?

percent of the bronx smoke at least a pack of (20) cigarettes a day.=(8/20)*100=40%