## Probability Resources

Mean of 75 and a standard devation of 7.   For a question I need to know how many out of 800 get a test score of 96 or more.   So, in my calculatior (casio fx-9750GII) I...

A bus has 15 seats. 15 passengers had bought tickets for that bus with assigned seats. But each of them chose a seat randomly. Find the probabilities of the following events:   a)at least...

There are 15 cherries in one plate, 10 of which have removed the seeds. A greedy pig eats 3 cherries at random, without noticing whether they have or do not have seeds. Then one of the remaining cherries...

Assume there is a button that has a 1 in 1000 chance to kill you if you press it that everyone is forced to press. I know that the odds of it happening twice in a row is 1,000,000. What I want to...

Two numbers are chosen at random from the interval (-1,1). If we know their sum is negative, find the probability that the first number is less than 1/2 and its square is less than the second number...

A committee of six is to be selected from a group of six girls and six boy. In how many ways can this committee been elected so that half of its members are boys and half our girls?

A house has a large window made of 15 equal pieces of glass, each the same size and shape. There are 3 pieces of glass that are cracked. If a rock thrown by a lawn mower hits the window, what is the...

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