An eatery receives daily 11 cartons of milk. On a random day, the number of cartons with defective screw caps among them is equal to 5 . One of the employees collects 4 cartons.

a) What is the probability that the employee gets exactly 2 milk cartons with the defect? 0.455 Round your answer to 3 decimal places. Your answer is correct The answer is correct. You achieved 1 point. You received 1 point for this assignment. Score: 1/1Your answer is correct Answered.

b) What is the probability that the employee gets more than 3 milk cartons with the defect? 0.04 Round your answer to 3 decimal places. Your answer is incorrect The answer is wrong. You received 0 points for this assignment. Score: 0/1Your answer is wrong Answered.

c) What is the probability that the employee gets exactly 2 defective milk cartons if the employee receives 3 or fewer milk cartons with the defect? 0.300 Round your answer to 3 decimal places. Your answer is incorrect The answer is wrong. You received 0 points for this assignment. Score: 0/1Your answer is wrong Answered.

d) What will be the expected number of cartons with the defect? 1.82 Round your answer to 2 decimal places. Your answer is correct The answer is correct. You achieved 1 point. You received 1 point for this assignment. Score: 1/1Your answer is correct Answered.

e) Calculate the variance of the number of defective milk cartons. Round your answer to 3 decimal places.

ive managed a and d but could really use some help on the rest of the tasks