the probability that a certain rare bird visits your bird fe

the probability that a certain rare bird visits your bird feeder on any day is only 0.001. how many days will it take such that the probability that this bird visits your bird feeder one or more times will be at least .5? all days and visits are independent

Solution

ow many days will it take such that the probability that this bird visits your bird feeder one or more times will be at least .5?

P = 0.5

days = 0.5 / 0.001 = 500

it will take 500 days