In their upcoming best of seven (the first team to win 4 games, wins the series) NHL playoff series, the Toronto Maple Leafs have been given 5 : 3 odds in favour of winning any particular game. What is the chance they will win the best of 7 series against the Montreal Canadiens? (Remember, it could take more than 4 games to win the series!)

A group of people are asked about their favourite subject when they were in school. The number of people who said they liked math was 216 , the number who say they liked science was  139  and the number who say they  like  math OR science  is 300 . How many people like both  math AND like science?

In best of five hockey playoff the winner is declared after three game. Draw a tree diagram showing all the outcomes in the best of five series 

(n + 4)!n!

#2  A single  die is rolled three times. Determine the probability that the sum virus  of the three rolls is less than 100 given that the first roll is a  76.   You must show all of your work for full marks

what is the additive principle formula

these are the math scores below

5 7 9 6 10 8 7 9 2 3 4 7 7 6

part one: find the standard deviation

part two: How would I find... If only scores that are 1 standard deviation above the mean are considered for prizes, how

many prizes would be handed out?

Factor completely using the factor theorem. f(x)= x^4+8x^2+4x^2-48x

how are the technologies that produce incandescence and luminescence different 

Expand using the general term

(2x-1/x^2)^7