Consider the following statements related to a variable {\X} having a binomial distribution b_x(n, p) : I. If p=\frac{1}{2}, then the distribution is symmetrical. II. p remaining constant, {\P}( {\X}=r) increases as n increases. Which of the statements given above is/are correct?

UPSC NDA I 2010 Mathematics Paper

Question : 75 of 120

Marks: +1, -0

Consider the following statements related to a variable X having a binomial distribution bx(n,p) :
I. If p=‌

, then the distribution is symmetrical.
II. p remaining constant, P(X=r) increases as n increases.
Which of the statements given above is/are correct?

I only
II only
Both I and II
Neither I nor II

Validate

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