Sia Test Probability UPDATED ACTUAL
Exam Questions and CORRECT Answers
probability - CORRECT ANSWER - a measure of how likely it is that some event will occur
sample space - CORRECT ANSWER - number of possible outcomes given a set of possible
choices or selections
what is the fundemental counting principal - CORRECT ANSWER - if one event occurs in m
ways
and another in n ways
the likely hood both them happen is
mxn
two methods to find sample space
when should u use each - CORRECT ANSWER - tree method - when u see fit
grid method - IF THE NUMBER OF SELECTIONS IS NO MORE THAN TWO
tree method example - CORRECT ANSWER - if you have pair of blue and black pants
red and white shirts
how many dif ways can u wear one of ur patns and one of ur shirts
red shirt to blue pants
red shirt to black pants
white shirt to blue pants
white shirt to black pants
shaped like pyramid sideways
how to use grid method - CORRECT ANSWER - put the options in the top of the grid and
then the side of the grid
, match up like box method in math
-------- white shirt. blue shirt
blue pants. white shirt blue pants blue shirt blue pants
black pants. white shirt black pants. blue shirt black pants
how to use tree method - CORRECT ANSWER - 5 breadds
8 meats
5 cheesess
3 condiments
how many sanwhichces can u make if u can only pic one of each
600 bc 5x5x8x3 is 600
MULTIPLY ALL THEM
what is product rule - CORRECT ANSWER - instead of counting every different occurance
through tree diagream you can multiply because of fundemental counting principle
WHEN YOU SEE THE WORD AND
fundemental counting principal problems without repitition DEFINITION
example... - CORRECT ANSWER - without - if one event can occur in m ways (choosing
first meat), if the same event is done a second time (choosing second meat) and you cant repeat,
and a third time (another meat) and you cant repeat, the second event can occur m-1 ways. the
third event can occur m-2 ways.
example...
Exam Questions and CORRECT Answers
probability - CORRECT ANSWER - a measure of how likely it is that some event will occur
sample space - CORRECT ANSWER - number of possible outcomes given a set of possible
choices or selections
what is the fundemental counting principal - CORRECT ANSWER - if one event occurs in m
ways
and another in n ways
the likely hood both them happen is
mxn
two methods to find sample space
when should u use each - CORRECT ANSWER - tree method - when u see fit
grid method - IF THE NUMBER OF SELECTIONS IS NO MORE THAN TWO
tree method example - CORRECT ANSWER - if you have pair of blue and black pants
red and white shirts
how many dif ways can u wear one of ur patns and one of ur shirts
red shirt to blue pants
red shirt to black pants
white shirt to blue pants
white shirt to black pants
shaped like pyramid sideways
how to use grid method - CORRECT ANSWER - put the options in the top of the grid and
then the side of the grid
, match up like box method in math
-------- white shirt. blue shirt
blue pants. white shirt blue pants blue shirt blue pants
black pants. white shirt black pants. blue shirt black pants
how to use tree method - CORRECT ANSWER - 5 breadds
8 meats
5 cheesess
3 condiments
how many sanwhichces can u make if u can only pic one of each
600 bc 5x5x8x3 is 600
MULTIPLY ALL THEM
what is product rule - CORRECT ANSWER - instead of counting every different occurance
through tree diagream you can multiply because of fundemental counting principle
WHEN YOU SEE THE WORD AND
fundemental counting principal problems without repitition DEFINITION
example... - CORRECT ANSWER - without - if one event can occur in m ways (choosing
first meat), if the same event is done a second time (choosing second meat) and you cant repeat,
and a third time (another meat) and you cant repeat, the second event can occur m-1 ways. the
third event can occur m-2 ways.
example...
