CUET Preparation Today
CUET
-- Mathematics - Section B2
Probability Distributions
If the mean and variance of binomial distribution are 2 and 1 respectively, then the probability of at least 1 success is:
$\frac{3}{4}$
$\frac{2}{3}$
$\frac{7}{8}$
$\frac{15}{16}$
The correct answer is Option (4) → $\frac{15}{16}$