CBSE Class 12-science Answered
There are 40 hardworking scholars
in a class. Out of which 10 are sports-persons. Three scholars are selected
at random out of them. Write the probability distribution for selected
persons who are sports-persons. Find the mean of the distribution. Explain
the importance of sports in education.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
Let X be the number of sports-persons selected. The X is a random variable which can take the values 0, 1, 2 and 3.
The corresponding probabilities are given by
The probability distribution is as follows:
X |
0 |
1 |
2 |
3 |
P(X) |
|
|
|
|
Mean of the above probability distribution is calculated below.
Importance of sports in education:
It takes care of the mental and physical well-being of the person which in turn helps him to grow in the field of studies.
Answered by | 04 Jun, 2014, 03:23: PM
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