SOLUTION: he mean (μ) of the scale is 55 and the standard deviation (σ) is 14. Assuming that the scores are normally distributed, what is the PROBABILITY that a score falls below 3
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Question 457118: he mean (μ) of the scale is 55 and the standard deviation (σ) is 14. Assuming that the scores are normally distributed, what is the PROBABILITY that a score falls below 39?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
he mean (μ) of the scale is 55 and the standard deviation (σ) is 14. Assuming that the scores are normally distributed, what is the PROBABILITY that a score falls below 39?
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z(39) = (39-55)/14 = -1.1429
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P(x < 39) = P(z < -1.1429) = 0.1265
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Cheers,
Stan H.
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