Discussion

Explanation:

If head comes up he gets Rs. 20 but loses Rs. 10 if tail comes up

P (head) = P (tail) = ½

Expected value = 1/2 × 20 - 1/2 × 10 = Rs. 5.

Hence, 5.

» Your doubt will be displayed only after approval.


Doubts


Feedback

Help us build a Free and Comprehensive Preparation portal for various competitive exams by providing us your valuable feedback about Apti4All and how it can be improved.


© 2024 | All Rights Reserved | Apti4All