A binomial distribution has a mean of = 12 for a sample of n = 60. what is the value of p?
1 answer:
Value of p is 0.5.
Given
Mean of a binomial distribution np = 12
Sample n = 60
The binomial distribution is the discrete probability distribution that gives only two possible results in an experiment, either success or failure.
To calculate the mean of a binomial distribution B(n, p) we need to multiply the number of trials n by the probability of successes p,
mean = n × p .
Value of p:
np = 12
(60) p = 12
p = 12/60
p = 1/2
p = 0.5
Value of p is 0.5.
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