Answer to Question #80755 in Statistics and Probability for mufara gatawa

Question

b) An online retailer has two adverts posted in different parts of a well-known social networking website, Advertisement A and Advertisement B. An average of 2 ‘clicks’ are generated by Advertisement A during the period Monday 10.00 to 10.05am. There are on average 5 ‘clicks’ generated by Advertisement B during the same period. Calculate the probability that on a particular Monday between 10.00 and 10.05 am:

i. Advertisement A generates at most 3 clicks. (5 marks)
ii. Advertisement A generates at least 4 clicks. (5 marks)
iii. Advertisement B generates no more than 4 clicks. (5 marks)
iv. Advertisement A generates exactly 2 clicks and Advertisement B exactly 2 clicks. (5 marks)
v. At least 3 clicks are generated in total by the two advertisements.