Sir i am stuck for this question

Question 20 Not yet answered Marked out of 1.00 Flag question There are 20 applicants applying for five positions. Nine are HKU graduates. What is the probability the company employs three HKU graduates if the five offers are made randomly? Select one: O a. 0.029799 O b. None of the others O C. 0.297988 O d. 0.087891 O e. 0.008789 O f. 0.015625Question 22 Not yet answered Marked out of 1.00 Flag question It is known that suicide deaths in Hong Kong occur independently with 3 suicide deaths per day on the average. Which of the following is closest to the probability that there are more than 3 suicide deaths in two consecutive days if a Poisson distribution is assumed? Select one: O a. 0.2628 O b. 0.1512 O c. 0.6472 O d. 0.8488 O e. 0.3528