Q:
1.In every month, a hospital is opened only in last week. If 10 peopletravel through bus to hospital, What is the probability that atleasttwo people travel on the same day?
Answer:1
2. compare standard deviation A = 2, n, n, n . B = n, 2, 2, 2 . Answer A = B
others are easy
I am working fulltime and prepared around 6 monthes. Got a decent score and thanks to all friends here!
Special thanks goto libraly who encouraged me and shared a lot of nice resource with me. Best wishes for libraly's application!