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Statistics
Probability
Normal Distribution
The probability that an observation, following a normal distribution, will lie within μ ± 1.3σ is
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Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability for Z ± 1.3.
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TThe probability that an observation, following a normal distribution, will lie within μ ± 1.3σ is
a. 9.5 % b. 19.0% c. 40.3%
