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The probability mass function of binomial distribution is given by
  • a)
    f(x) = px q n–x.
  • b)
    f(x) = ncx px q n–x.
  • c)
    f(x) = ncx qx p n–x.
  • d)
    f(x) = ncx pn–x q x.
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
The probability mass function of binomial distribution is given bya)f(...
A) The probability mass function of the binomial distribution is given by:

f(x) = (n choose x) * p^x * q^(n-x)

where n is the number of trials, p is the probability of success on each trial, q is the probability of failure on each trial (q = 1-p), and x is the number of successes.

So the correct expression is:

f(x) = (n choose x) * p^x * q^(n-x)
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Community Answer
The probability mass function of binomial distribution is given bya)f(...
Bro this is just a formula. for binomial distribution.
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The probability mass function of binomial distribution is given bya)f(x) = px q n–x.b)f(x) = ncx px q n–x.c)f(x) = ncx qx p n–x.d)f(x) = ncx pn–x q x.Correct answer is option 'B'. Can you explain this answer?
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