Flashcards in Chapter 10 Deck (24):

1

## Counting principle

### Events * events* events

2

## Finding number of Permutations

### #!

3

## Permutations of n objects taken r at a time

### nPr= n!/(n-r)!

4

## Permutations with repetition

### n!/s1! * s2!....

5

##
Solving for n

nP6=5(nP5)

###
n!/(n-6)!=5(n!/n-5)!

(n-1 n-2....5)= 5(n-1...4)

n-5=5

n=10

6

## Combinations of n objects taken r at a time

### nCr= n!/(n-r)! *r!

7

## When finding the number of ways both an event A AND event B can occur, you need to ---- their combinations

### Multiply

8

## When finding the number of ways that event A OR event B can occur, you --- their combinations

### Add

9

## The binomial Theorem

###
(A+b)n

nCr a^n-r b^r

10

## Find the coefficient of in (a+b)^n

### Use the nCr*a^n-r*b^r

11

## Odds in favor

### A/ not A

12

## Odds against

### Odds not A/ A

13

## Experimental prob

### A/ total trials

14

## Geometric prob

### Area what want to hit/ area of entire board

15

## Prob of compound events p(b or a)

### P(a)+p(b) -p(a and b)

16

##
Prob of disjoint events

P(a or b)

### P(a) + p(b)

17

## Probably Of complement

###
P(-a)

1-p(A)

18

##
Probability of independent events

P(a and B)

### P(a)*p(b)

19

##
Probability of depending evens

P(a and b)

### P(a) * p(b|a) (events in both over events in a)

20

## P(b|a)

###
Probability of both/ a

Probability of b given that a

(Conditional probability)

21

## Histogram

###
Percent or fraction on y

No spaces between bars

22

## For binomial experiment, the probability of exactly k successes in n trials is

### nCk*p^k*(1-p)^n-k

23

## Right skewed

###
The tail at right

Everything to the left

24