Question

1.Given that P(E) = 0.32, P(F) = 0.32, and P(E ∩ F) = 0.18. Find P(E ∪ F).

a) 0

b) 0.18

c) 1

d) 0.54

e) 0.46

f) None of the above

2. Given P(A) = 2⁄5, P(B) = 19⁄50 and P(A ∩ Bc ) = 1⁄5. Find P(A ∩ B).

a) 0.16

b) 0.26

c) 0.98

d) 0.20

e) 0.40

f) None of the above.

3. Suppose P(E) = 57⁄100 , P(Fc ) = 7⁄20 , and P(F ∩ Ec ) = 31⁄100. Find P(E ∪ F).

a) 0.12

b) 0.08

c) 0.26

d) 0.34

e) 0.88

f) None of the above.

4. Given P(A) = 9⁄25 , P(B) = 17⁄25 , and P(A ∪ Bc ) = 19⁄50. Find P(A ∩ Bc ).

a) 0.31

b) 0.29

c) 0.28

d) 0

e) 0.30

f) None of the above.

Answer 1