Each day, Susan knows that the probability that someone posts on her FB wall is 68%, and the probability that she receives a friend request is 36%. She also knows that when she receives a friend request, the probability that someone posts on her wall is 87%. What is the probability that the next day she will receive both a friend request and a post on her wall?

2. On any given day, the probability that Ms. Singh forgets to bring her lunch to work is 23% and the probability that she will get interrupted during her lunch period (by a student) is 57%. What is the probability that tomorrow (represent as a percentage to one decimal place with no symbols):

a) She will forget to bring her lunch and get interrupted during her lunch period?

b) She will remember to bring her lunch and not get interrupted during her lunch?

c) Atleast one of these undesirable things will happen to her?

*express final answer as a percentage rounded to one decimal place with the symbol %

3.A local food bank has 5 staff members and 20 volunteers. The manager needs to put together a team of four to make a special delivery. If the team is selected randomly from all staff and volunteers, what is the probability that exactly 3 volunteers are selected?

*express as a reduced fraction