Q6: Using minitab: The normal distribution is sometimes used to approximate the distribution of Poisson when...
Q6: Using minitab: The normal distribution is sometimes used to approximate the distribution of Poisson when n is large and p is small. A common rule of approximation is that which requires both conditions: a) n is greater than or equal to 100. b) np is smaller or equal to 10. Compare the values given by the two distributions for n=150 and p=0.05
Homework Answers
Consider a) given n=150 is >100
b) np=150×0.05=7.5 is <10
Hence two conditions are satisfied. So we can approximate the poisson distribution to normal distribution.
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