AP EAMCET · Maths · Probability
In a binomial distribution the mean is and variance is Then parameter is
- A
- B
- C
- D
Answer & Solution
Correct Answer
(C)
Step-by-step Solution
Detailed explanation
Given mean, np=15 and variance np1-p=10 ∴ 1-p=1015=23 ⇒p=13 ∴ n=15×3=45
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