SOLUTION: Solve Probability Problems. P(x>450) Mean=390 Deviation=65
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Question 620509: Solve Probability Problems. P(x>450) Mean=390 Deviation=65
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Solve Probability Problems. P(x>450) Mean=390 Deviation=65
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z(450) = (450-390)/65 = 60/65 = 12/13
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P(x > 45) = P(z > 12/13) = normalcdf(12/13,100) = 0.1780
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Cheers,
Stan H.
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