Question
The random variable x represents the number of boys in a family of three children Assuming that boys and girls are equally likely find the
The random variable x represents the number of boys in a family of three children Assuming that boys and girls are equally likely find the mean and standard deviation for the random variable x P x 0 125 0 375 2 0 375 3 0 125 X 0 OA mean 2 25 standard deviation 0 76 OB mean 1 50 standard deviation 0 87 OC mean 1 50 standard deviation 0 76 OD mean 2 25 standard deviation 0 87
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Textbook Of Co-ordinate Geometry
Authors: Mofidul Islam
1st Edition
9353147824, 9789353147822
