Devina believes that (on any particular play of the game) she has about a 15% CHANCE Of winning something on a certain instant lottery she plays. She...

Devina believes that (on any particular play of the game) she has about a 15% CHANCE Of winning something on a certain instant lottery she plays. She has got into the habit of playing once per day.

a.) what is the probability that devina wins 4 times during the month of Feb (28 days)

b.) what is the chance of devina winning atleast twice during the month of feb?

c.)How many times during february should devina expect to win?