Homework SourseA large colony of 1000 mice as a 6040 male female sex ratio
A large colony of 1000 mice as a 6040 male female sex ratio. In a random sample of 10 mice, the number of mice that are male should have a what binomial distribution
A large colony of 1000 mice as a 6040 male female sex ratio. In a random sample of 10 mice, the number of mice that are male should have a what binomial distribution
A large colony of 1000 mice as a 6040 male female sex ratio. In a random sample of 10 mice, the number of mice that are male should have a what binomial distribution
Solution
Note that
P(x) = nCx p^x (1-p)^(n-x)
where n = sample size
x = number of successes (here, being male)
p = probability of being male = 0.6
Thus,
P(x) = 10Cx (0.6^x) [(1-0.6)^(10-x)]
P(x) = 10Cx [(0.6)^x] [(0.4)^(10-x)] [answer]
where 10Cx = 10!/(x!(10-x)!).
