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G.
University of South Carolina; Slide 16 What is the standard normal
What
value (or Z value) for a Richter
reading of 6.5?
reading
Recall Y ~ n( =6.2, σ=0.5) G. Baker, Department of Statistics
G.
University of South Carolina; Slide 17 Example
Consider two towns in California. The distributions of
the Richter readings over 0.1 in the two towns are:
the
Town 1:
Town 2: X ~ n( = 6.2, σ = 0.5)
Y ~ n( = 6.2, σ = 1).
1).  What is the probability that Town 1 has an
What
earthquake over 7 (on the Richter scale)?
earthquake
 What is the probability that Town 2 has an
What
earthquake over 7?
earthquake
G. Baker, Department of Statistics
G.
University of South Carolina;...
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 Fall '13
 Wang
 Statistics, Normal Distribution, Standard Deviation, Department of Statistics, G. Baker

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