P [X = x] = ^nCx p^x q^n-x is the formula for _____

Category: QuestionsP [X = x] = ^nCx p^x q^n-x is the formula for _____
Editor">Editor Staff asked 11 months ago

P [X = x] = ^nCx  p^x   q^n-x is the formula for _____
(a) parametric distribution
(b) binomial distribution
(c) poisson distribution
(d) extreme distribution
The question was posed to me in an international level competition.
My question comes from Bernoulli Trials and Binomial Distribution topic in portion Probability of Mathematics – Class 12
NCERT Solutions for Subject Clas 12 Math Select the correct answer from above options 
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1 Answers
Editor">Editor Staff answered 11 months ago

The correct option is (b) binomial distribution
To explain I would say: Formula for binomial distribution is P [X = x] = ^nCx  p^x q^n-x
Where n is the number of trials, x is the number of successes and (n-x) is failures.