SOLUTION: Find the normal approximation for the binomial probability that x = 5, where n = 12 and p = 0.6. Compare this probability to the value of P(x=5)
Can someone help me
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Question 698765: Find the normal approximation for the binomial probability that x = 5, where n = 12 and p = 0.6. Compare this probability to the value of P(x=5)
Can someone help me
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find the normal approximation for the binomial probability that x = 5,
where n = 12 and p = 0.6. Compare this probability to the value of P(x=5)
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u = 0.6*12 = 7.2
s = sqrt(7.2*0.4) = 1.6971
P(x=5) = P(4.5< x <5.5) = normalcdf(4.5,5,5,7.2,1.6971) = 0.1024
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P(x=5) = binompdf(12,0.6,5) = 0.1009
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Note: I used a TI-84 to do the calculating.
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Cheers,
Stan H.
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