To determine the mean of the binomial random variable (X) with parameters p = 0.3 and n = 9, we use the formula:
Mean (μ) = n * p
Mean (μ) = 9 * 0.3
Mean (μ) = 2.7
Therefore, the mean of the binomial random variable (X) is 2.7.
The correct answer is 2.7.
The distribution of the binomial random variable (X) has the following parameters p = 0.3 and n = 9. Determine.
1.25
3.2
1.7
1.8
2.7
1 answer
1 answer