UNION, INTERSECTION, AND COMPLEMENT OF AN EVENT

CHOOSE ME!

1

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.

1

1. P(C)?

34

1

Let C={2, 5, 7, 10} and B={2, 4, 6, 8}. Find C U B

{2,4,5,6,7,8,10}

1

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

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}

CHOOSE ME!

1

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}

1

1.P(W)?

35

1

If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is A ∩ B?

{3, 5, 7}

1

1.P(C U M U W)?

61

1

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

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1

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

1

1.P(C U M)?

49

1

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

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

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

CHOOSE ME!

1

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

1. P(M Ո W)?

13

1

1. P(C ∩ W)′ ? 

54

1

1. P(W U C U M)′  

9

1

What does this symbol ( ∪ ) represent in set theory?

Union

CHOOSE ME!

1

1.P(C')?

36

1

1. P(M Ո W Ո C)?

6

1

1. P(W U C)′  

17

1

1. P(M Ո W Ո C)'?

64

1

You roll a 10-sided die. What is the probability of rolling a number that is not a multiple of 3?

7/10