100%(7)7 out of 7 people found this document helpful
This preview shows page 1 - 5 out of 9 pages.
Soft Drinks15 diet colas4 cans of lemonade6 cans of root beer25 TOTAL(a)PROBABILITY OF NEXT DRINK TO BEFormula DiscriptionExamplediet colas3/5 "=no of diet colas/total""=B3/$B$6"cans of lemonade4/25 "=no of cans of lemonade/total"cans of root beer6/25 "=no of cans of root beer/total"(b)Classical Definition of ProbabilityFormula CalculationYou will need to pick only oneof the three definitions, that is most appropriate, then de
elete the other two:
CoinsSample SpacePossible OutcomeCoin 1Coin 2Coin 3ProbabilityCan occur1TTT12.50%1 time2TTH37.50%3 times3THT37.50%3 times4THH37.50%3 times5HHH12.50%1 time6HHT37.50%3 times7HTH37.50%3 times8HTT37.50%3 timesEach time a coin is dropped it will be either a Head H or a Tail TSo one possible out come is that all coins show a Tail T: T T T, or first and second coin show a T whThe probability for each out come is equal to the frequency of the outcome divided over the total nutime, so its probaility = 1/8 = 0.125 or 12.5%
hile third coin show a Head H: T T H, and so onumber of outcomes; for example T T T can only occur one