A small firm has 24 accounts payable, of which 14 of the accounts have errors in them. If 7 accounts are chosen at random for review, then answer the following: (Show how you arrived at your answer. Use proper mathematical notation.)
A) How many different ways can you select the accounts so that 5 of them have errors and 2 do not have errors?
B) How many total ways can you select the 7 accounts?
C) How many different ways can you select the accounts so that there is at least 3 accounts that have errors in them?
D) If the 7 accounts are selected at random, what is the probability that either 4 or 5 of the accounts have errors in them?