Statistics
Find the normal approximation for the binomial probability that x=4, where n=12 and p=0.7. Compare this probability to the value of P(x=4) found in Table 2 of Appendix B in your textbook.

Question

Statistics 
Find the normal approximation for the binomial probability that x=4, where n=12 and p=0.7. Compare this probability to the value of P(x=4) found in Table 2 of Appendix B in your textbook.

amistre64 · Answer

ahh, normal approximations for binomial ... tricky

anonymous · Answer

lol, yeah, I don't know where to start.

amistre64 · Answer

the mean of a binomial is just n*p

anonymous · Answer

I thought I was over looking something and it would be easy, I guess not.

amistre64 · Answer

the sd is sqrt(n*p*p') where p' = 1-p

amistre64 · Answer

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