how do i answer c

Over a period of three months during one year, an airline's rate of involuntarily denying boarding was 0.89 per 10,000 passengers. Complete parts (a) through (c) below. a. What is the probability that in the next 10,000 passengers, there will be no one involuntarily denied boarding? The probability that there will be no one involuntarily denied boarding is 0.4107 . (Round to four decimal places as needed.) b. What is the probability that in the next 10,000 passengers, there will be at least one person involuntarily denied boarding? The probability that there will be at least one person involuntarily denied boarding is 0.5893. (Round to four decimal places as needed.) c. What is the probability that in the next 10,000 passengers, there will be at least two persons involuntarily denied boarding? The probability that there will be at least two persons involuntarily denied boarding is D. (Round to four decimal places as needed.)