A password for a website must have 4 different digits. How many unique passwords are possible if they are made up of 4 digits which do not repeat? What is the probability of someone getiing the correct pasword if they try 75 different passwords? Round your answer to the nearest tenth of a percent. % Blank 1: Blank 2:

Suppose 10% of all redeemed coupons at a supermarket are for 50% off the item purchased. A simulation is used to model a coupon randomly selected and then recorded as 50% off or not 50% off. Which simulation best models the scenario? Place 40 equally sized pieces of paper in a hat. Of the 40, 4 read "50% off" and the rest read "not 50% off ". O Place 30 equally sized pieces of paper in a hat. Of the 30, 6 read "50% off" and the rest read "not 50% off ". O Place 80 equally sized pieces of paper in a hat. Of the 80, 10 read "50% off" and the rest read "not 50% off ". O Place 50 equally sized pieces of paper in a hat. Of the 50, 10 read "50% off" and the rest read "not 50% off ".

On a 9 question multiple-choice test, where each question has 4 answers, what would be the probability of getting at least one question wrong?Give your answer as a fraction

At a county fair, the chance of winning a game is 5% and the prize is a huge stuffed animal. Does that mean that if you play the game 100 times, you will win five of those huge stuffed animals? Explain your thinking.