Study your flashcards anywhere!
Download the official Cram app for free >
 Shuffle
Toggle OnToggle Off
 Alphabetize
Toggle OnToggle Off
 Front First
Toggle OnToggle Off
 Both Sides
Toggle OnToggle Off
 Read
Toggle OnToggle Off
How to study your flashcards.
Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key
Up/Down arrow keys: Flip the card between the front and back.down keyup key
H key: Show hint (3rd side).h key
A key: Read text to speech.a key
18 Cards in this Set
 Front
 Back
bell curve

percentages
0,2,16,50,84,98,100 distribution 2,14,34,34,14,2 

probability

# of possible outcomes that satisfy the condition
 # of possible outcomes 

probability events in a row (AND)

multiply


probability events either/or (OR)

add


permutation

arrangement in a particular order


combination

order is irrelevant to the arrangement


solve a permutation

# of slots, # of options for each slot, multiply them


solve a combination

# of slots, # of options for each slot
 factorial of # of slots 

thirdside rule

the length of any one side of a triangle must be less than the sum of the other two sides and greater than the difference between the other two sides


isosceles (45,45,90)

if length of each short leg is x, then the hyp. is (x) X (square root of 2)


30 60 90 Triangle

short side = x
long side = (x) X (square root of 3) hyp. = 2x 

square root of 2

1.414


square root of 3

1.73


square root of 5

2.23


circumfrence

2pi(r)


slope

y=mx+b
where m=slope and b=yintercept 

solving slope problems

find coordinates for each point


diagonals inside a 3D box

a^2 + b^2 + c^2 = d^2
