A large proportion of small businesses in certain country fail during

the first few years of operation. On average, 1.6 businesses file for bankruptcy per

day in a particular large city.

a) Find the probability that exactly 3 businesses will file for bankruptcy on a given

day in this city.

b) Find the probability that the number of businesses that will file for bankruptcy

on a given day in this city is

i. 2 to 3,

ii. more than 3,

iii. les

s than 3.