S1 Help

Three events A, B and C are defined in the sample space S. The Events A and B are mutually exclusive and A and C are independent.

a) Draw a Venn diagram to illustrate the relationship between the 3 events and the sample space.

Given that P(A)=0.2, P(B)=0.4, and P(A U B)=0.7, find
b) P(A|C)
c) P(A U B)
d) P(C)

Reply 1

magnum

4

do you know the formulas for your questions?

Reply 2

steve2005

17

Bowie88

Three events A, B and C are defined in the sample space S. The Events A and B are mutually exclusive and A and C are independent.

a) Draw a Venn diagram to illustrate the relationship between the 3 events and the sample space.

Given that P(A)=0.2, P(B)=0.4, and P(A U B)=0.7, find
b) P(A|C)
c) P(A U B)
d) P(C)

A misprint I think ?

Reply 3

Bowie88

OP

13

its supposed to be that symbol that looks like a u

Reply 4

steve2005

17

Bowie88

its supposed to be that symbol that looks like a u

They have given you the answer to the question. If you have copied the question correctly then the question itself contains an error.

There is no point in telling you P(AuB)=0.7 and then asking you what P(AuB) equals