What does union of event consist?
A. all the elements in event A and set B.
B. all the elements in event A but not in event B.
C. the common elements in event A and set B.
D. all the elements in event B but not in event A.
A. all the elements in event A and set B.
Illustrate A ⋂ B.
Given: S = {a, b, c, d, e, f, g}
A = {a, b, c, d}
B = {b, c, e, f, g}
A. A ⋂ B = {a, b, b, c, c, d, e, f, g}
B. A ⋂ B = {a, b, c, d, e, f, g}
C. A ⋂ B = {b, c}
D. A ⋂ B = {b, d}
C. A ⋂ B = {b, c}
A clothing store sells shirts, pants, and jackets. What's the complement of randomly selecting an item that is a jacket?
A. Selecting a shirt or a jacket
B. Not selecting a jacket
C. Not selecting pants
D. Selecting a jacket
B. Not selecting a jacket
Which of the following show a simple event?
A. Getting a sum of 6 in rolling a dice.
B. Rolling an "even number."
C. Choosing a "King" from a deck of cards.
D. Getting a Tail when tossing a coin.
D. Getting a Tail when tossing a coin.
1.P(C')?
36
1. P(C)?
34
1.P(W)?
35
1.P(C U M)?
49
1. P(M Ո W)?
13
1. P(M Ո W Ո C)?
6
Let C={2, 5, 7, 10} and B={2, 4, 6, 8}. Find C U B
{2,4,5,6,7,8,10}
If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is A ∩ B?
{3, 5, 7}
If U (the universal set) = {1, 3, 5, 7, 9, 11, 13, 15, 17} and W = {5, 7, 9, 11}, then W' = . . ..
{1, 3, 13, 15, 17}
1. P(C ∩ W)′ ?
54
1. P(W U C)′
17
If U (the universal set) = {2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43} and X = {5, 7, 17, 19, 29, 31, 41, 43}, then X' = . . ..
{2, 3, 11, 13, 23, 37}
1.P(C U M U W)?
61
If A= {10,20,30,40},B={20,40,60} and C = {10,20,40,60,80}, find A Ո B Ո C
{20,40}
1. P(W U C U M)′
9
1. P(M Ո W Ո C)'?
64
Let A={1, 3, 4} and B={x|x is a positive even number less than 9}. Find A U B
{1, 2, 3, 4, 6, 8}
A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?
10/12 or 5/6
If P(E) is the probability that an event will occur, which of the following must be false?
A. P(E) = 1
B. P(E) = 1/3
C. P(E) = 1/2
D. P(E) = -1
D. P(E) = -1
What does this symbol ( ∪ ) represent in set theory?
Union
You roll a 10-sided die. What is the probability of rolling a number that is not a multiple of 3?
7/10