SOLUTION: Hi there, please help :)
Consider a normal probability distribution with a mean of 33.2 and a standard deviation of 4.6. Find P (28.5 < x < 39.1).
Thanks,
Lisa
Algebra.Com
Question 580952: Hi there, please help :)
Consider a normal probability distribution with a mean of 33.2 and a standard deviation of 4.6. Find P (28.5 < x < 39.1).
Thanks,
Lisa
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Consider a normal probability distribution with a mean of 33.2 and a standard deviation of 4.6. Find P (28.5 < x < 39.1).
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z(28.5) = (28.5-33.2)/4.6 = -1.0217
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z(39.1) = (39.1-33.2)/4.6 = 1.2826
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P(28.5 < x < 39.1) = P(-1.0217 < z < 1.2826) = 0.7467
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Cheers,
Stan H.
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