1.  If the odds of winning a particular card game are 1:5, about how many times can you expect to win if you play the game five hundred times?

 2.  Beetles have hit the potato crop in Crumb County hard this year. On average about34% of the plants in the fields have been damaged by beetles. If you went to a local field of potatoes and randomly inspected eightythree plants, about how many would you expect to find with beetle damage?


3.  You are playing the “shell” game. In this game, there is object (let’s say a coin) hidden under one of four cups and you have to try and guess which cup it is under. Assuming the game is fair and there are four cups, what is the probability you will guess correctly on the first try?

 4.  There is a certain book at the school library that has five hundred thirtynine pages. If the probability that you will open the book to any page at random and find a picture is15%, how many pages in the book have pictures on them? Assume that the pictures are randomly distributed throughout the book.


5.  There are four kinds of fish in Wupperman Pond. There are approximately four hundred fifty bass, nine hundred seventyfive sunfish, three hundred catfish and two thousand, one hundred seventyfive perch. Assuming that the kind of fish caught is strictly a matter of chance and all fish bite at all baits with equal frequencies, what is the probability that the next fish caught will be either a sunfish or a catfish?

 6.  * Esta es una hoja prehecha. Utilice el enlace arriba de la página para un imprimible. 
