Write the relationship between mean and variance of a Bernoulli distribution
Answers
Answer:
The difference between variance Bernoulli distribution
Answer:
The relationship between mean and variance of a Bernoulli distribution
is a binomial variable's variance is always lower than its mean.
Step-by-step explanation:
Bernoulli distribution :
The outcome of the Bernoulli random variable may only be either or , making the Bernoulli distribution a discrete probability distribution. The probability of success is , whereas the probability of failure is . A Bernoulli distribution has a mean of and a variance .
We are aware that the mean of the Bernoulli distribution is given by and variance , where is the probability of success and is the probability of failure. Therefore
Therefore, the mean is greater than variance (p>pq) in Bernoulli distribution .
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