For a binomial variable with n = 5, P(X = 4) = P(X = 3). Find p.
A1/2
B3/5
C3/4
D2/3
Answer & Solution
Correct answer: D. 2/3
5p^4 q = 10p^3 q^2 gives p = 2q, so p = 2/3.
Keep practising Binomial Distribution
Browse all Binomial Distribution questions for MHT-CET, or explore more Mathematics topics.
Related questions
A binomial variable has mean 10 and p = 0.4. What is its variance?Which describes a Bernoulli trial?The number of trials in a binomial experiment must be what?Binomial variance follows from which fact about Bernoulli parts?If np is an integer for B(n, p), which statements about mean, median, mode hold?If X is B(n, p) and Y is B(m, p), both independent, X + Y follows what?When does B(n, p) approach a Poisson distribution?Sampling without replacement from a small population gives which distribution?