IGCSE/GCSE/O & A Level/IB/University Student Forum

Qualification => Subject Doubts => GCE AS & A2 Level => Math => Topic started by: ahmedkeda on May 25, 2010, 03:56:52 pm

Title: PLLZZZZZZZZZZ HELPPPPP!!! STATISTICS 1 DOUBT...
Post by: ahmedkeda on May 25, 2010, 03:56:52 pm

CAN ANY ONE JUST TELL ME WHEN DO WE ADD PROBABILITIES AND WHEN DO WE MULTIPLY THEM ? CUZ I ALWAYS GET CONFUSED WITH THAT...

Title: Re: PLLZZZZZZZZZZ HELPPPPP!!! STATISTICS 1 DOUBT...
Post by: Freaked12 on May 25, 2010, 04:40:50 pm

its simple really
for example in a question its states that win OR loose.what is the probability
here you have to add

and when it states the player looses AND wins
you have to multiply.


In Some questions you have to think but this is the foundation okay
Good luck!