chapter 5 - probability

Question 1

experiment

Answer 1

repeatable process that gives rise to a number of outcomes

Question 2

event

Answer 2

collection of one or more outcomes

Question 3

sample space

Answer 3

set of all possible outcomes

Question 4

event a and b

Answer 4

intersection of a and b
represents event that both a and b occur

Question 5

event a or b

Answer 5

union of a nd b
represents the event that either a or b, or both occur

Question 6

event not a

Answer 6

complement of a
represents the event that aa does not occur

p(not a)= 1-p(a)

Question 7

mutually exclusive events

Answer 7

events that have no outcomes in common

Question 8

mutually exclusive events formula

Answer 8

p(a or b) = p(a) + p(b)

Question 9

independent events

Answer 9

events that have no effect on eachother

Question 10

independent events formula

Answer 10

p(a and b) = p(a) xp (b)

Question 11

a tree diagram can be used to show…

Answer 11

the outcomes of two (or more) events happening in succession