Probability – 31

31. A die is tossed twice. Getting a number greater than 4 is considered a success. Then the variance of the probability distribution of the number of successes is :

(a) 2/9
(b) 4/9
(c) 1/27
(d) none of these

Answer : (b)

Explanation : No answer description available for this question. Let us discuss.

Be a Part of The New & Next

MCQs fb  MCQs G+

Share the Knowledge

Leave a Reply

Your email address will not be published. Required fields are marked *

Copy Protected by Chetan's WP-Copyprotect.