The average number of misprints on a page of the 'Daily Mercury' is 1.2. Find the probability that there are five errors altogether on the first ten pages.
In an advertisement, you see that 24% of Americans use Crest toothpaste. So you take a random sample of 50 Americans and count the number who uses the Crest toothpaste.
Suppose 5% of cereal boxes contain a prize. You are determined to buy cereal boxes until you win a prize. What is the probability that the first prize you get is on your 5th box?
Amarillo Slim, a professional dart player, has an 80% chance of hitting the bullseye on a dartboard with any throw. Suppose that he throws 10 darts, one at a time, at the dartboard.
Shelby has a 2/3 chance of making contact with a baseball. What is the probability that the first time she makes contact is her 4th swing?
A shop sells a particular make of camera. Assuming that the weekly mean sales for the camera is 3, find the probability that the shop sells more than 20 in a period of 4 weeks.