x ഒരു standard normal r.v. ആണെങ്കിൽ x² ന്ടെ variance
A0
B1
C2
D3
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There are three cycles to distributed among five children. If no child gets more than one cycle, then this can be done in how many ways?
The mean (rounded off to two decimal place) of the first 6 odd prime numbers is:
Determine the ratio of the number of students who play Football to the number of students who play Basketball in a survey of 120 students from the following table:
Category | Number |
Play Football and Basketball | 25 |
Play Football but not Basketball | 45 |
Play Basketball but not Football | 35 |
Play neither sport | 15 |
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Which centre has the least number of candidates ?
f(x,y) =6 (x-y), 0 < y< x < 1 എന്നത് (x,y) യുടെ joint pdf ആണെങ്കിൽ x - ന്ടെ marginal pdf ?