SOLUTION: If np is greater than or equal to 5 and nq is greater than or equal to 5 estimate P (more than 7) n=11 and p=.4 by using normal distribution as an approximation to the binomial dis

Question 854087: If np is greater than or equal to 5 and nq is greater than or equal to 5 estimate P (more than 7) n=11 and p=.4 by using normal distribution as an approximation to the binomial distribution. If np<5 or nq<5, then state that the normal approximation is not suitable.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
If np is greater than or equal to 5 and nq is greater than or equal to 5 estimate P (more than 7) n=11 and p=.4 by using normal distribution as an approximation to the binomial distribution. If np<5 or nq<5, then state that the normal approximation is not suitable.
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np = 11*0.4 = 4.4
nq = 11*0.6 = 6.6
The normal approximation is not suitable.
Cheers,
Stan H.
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