Textbook Notes (363,094)
Chapter

# Ch6.2 Solutions.pdf

2 Pages
121 Views

School
Seneca College
Department
Course
Professor
Nabil Ayoub
Semester
Winter

Description
Chapter 6.2 6.16 P(A 1) = .1 + .2 = .3, A(2) = .3 + .1 = .4, A(3) = .2 + .1 = .3. P( B ) = .1 + .3 + .2 = .6,BP( ) = .2 + .1 + .1 = .4. 1 2 6.17 P(A 1) = .4 + .2 = .6, A(2) = .3 + .1 = .4. B1 ) = .4 + .3 = .7,BP2) = .2 + .1 = .3. P(A and B ) 6.18 a P(A | B )  1 1  .4 .57 1 1 P(B ) .7 1 P(A a2d B ) 1 .3 b P(A |2B )1 P(B )  .7  .43 1 c Yes. It is not a coincidence. GiveB1 the eventsA 1and A 2 constitute the entire sample space. P(A 1nd B )2 .2 6.19 a P(A1| B 2    .67 P(B 2 .3 P(A 1nd B )2 .2 b P(B 2 A 1)    .33 P(A 1 .6 c One of the conditional probabilities would be greater than 1, which is not possible. 6.20 The events are not independent becauseP(A | B )  P(A ) . 1 2 1 6.21 a P(A 1 or B1) = P(A 1P(B )1(A and 1 ) 1 = .6 + .7 - .4 = .9 b P(A or B ) = P(A )P(B )P(A and B ) = .6 + .3 - .2 = .7 1 2 1 2 1 2 c P(A 1 or A 2) = P(A 1P(A ) 2 = .6 + .4 = 1 P(A and B ) .20 6.22 P(A 1 B 1  1 1   .25; P(A 1 .20.05 .25 ; the events are independent. P(B 1 .20.60 P(A and B ) 6.23 P(A | B )  1 1  .20  .571;P(A ) .20.60 .80 ; the events are dependent. 1 1 P(B ) .20.15 1 1 6.24 P(A 1) = .15 + .25 = .40, PA2 ) = .20 + .25 = .45, A(3) = .10 + .05 = .15. P( B ) = .15 + 20 + .10 = .45, PB ) = .25 + .25 + .05 = .55. 1 2 P(A 2nd B ) 2 .25 6.25 a P(A 2|B 2 ) =  .455 P(B 2 .55 P(A 2nd B ) 2 .25 b P(B 2 A 2 ) =  .556 P(A 2 .45 P(A and B ) .20 c P(B 1| 2) = 2 1   .444 P(A )2 .45 6.26 a P(A or A ) = P(A ) + P(A ) = .40 + .45 = .85 1 2 1 2 b P(A 2 or B 2) = P(A 2) + P(B 2) – P(A 2and B 2) = .45 + .55 - .25 = .75 c P(A 3 or B1) =P( A3 ) + PB 1) –
More Less

Related notes for International Business QNM222

OR

Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Join to view

OR

By registering, I agree to the Terms and Privacy Policies
Just a few more details

So we can recommend you notes for your school.