20. On an 8-question true or false test, you randomly guess at the answers. What is the probability that you get all 8 answers correct? What is the probability that you get all 8 answers wrong? OA. 1/256; 255/256 OB. 1/256; 1/256 OC. 1/2; 1/2 OD. 1/8, 7/8 21. If A and B are two events associated with the same sample space of a random experiment then P(A/B) is given by OA. P(AMB)/P(B), provided P(B) = 0 OB. P(AMB)/P(B), provided P(B) = 0 OC. P(ANB)/P(B) OD. P(AMB)/P(A) 22. Given that A and B are events such that P(A) = 0.6, P(B) = 0.3 and P(A B) = 0.2, then P(A/B) =? A. 2/3

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
20. On an 8-question true or false test, you randomly guess at the
answers. What is the probability that you get all 8 answers correct? What
is the probability that you get all 8 answers wrong?
O A. 1/256; 255/256
OB. 1/256; 1/256
O C. 1/2; 1/2
OD. 1/8; 7/8
21. If A and B are two events associated with the same sample space of a
random experiment then P(A/B) is given by
O A. P(AMB)/P(B), provided P(B) = 0
OB. P(ANB)/P(B), provided P(B) = 0
OC. P(AMB)/P(B)
OD. P(ANB)/P(A)
O
22. Given that A and B are events such that P(A) = 0.6, P(B) = 0.3 and P(A
B) = 0.2, then P(A/B) =?
O A. 2/3
OB. 1/3
O C. 3/4
OD. 1/4
*
Transcribed Image Text:20. On an 8-question true or false test, you randomly guess at the answers. What is the probability that you get all 8 answers correct? What is the probability that you get all 8 answers wrong? O A. 1/256; 255/256 OB. 1/256; 1/256 O C. 1/2; 1/2 OD. 1/8; 7/8 21. If A and B are two events associated with the same sample space of a random experiment then P(A/B) is given by O A. P(AMB)/P(B), provided P(B) = 0 OB. P(ANB)/P(B), provided P(B) = 0 OC. P(AMB)/P(B) OD. P(ANB)/P(A) O 22. Given that A and B are events such that P(A) = 0.6, P(B) = 0.3 and P(A B) = 0.2, then P(A/B) =? O A. 2/3 OB. 1/3 O C. 3/4 OD. 1/4 *
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman