A password is required to be 6 characters long. The first 2 must be numerical digits, the next 3 must be upper case letters of the alphabet and the last character must be one of 4 special characters ($, %, # or !) Which is the right formula for determining how many passwords can be created if digits and letters are allowed to be repeated?

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?