Assuming that one in 80 births is a case of twins, calculate the probability of 2 or more births of twins on a day when 30 births occur using Poisson approximation
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Assuming that one in 80 births is a case of twins, calculate the probability of 2 or more births of twins on a day when 30 births occur using Poisson approximation
Sorry, no ticky no laundry. We don't do homework here but will read what you do and tell you if it is right or not.
En.wikipedia.org/wiki/Poisson_distribution
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