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Find the z-score such that: (a) the area under the standard normal curve to its left is 0.5
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Find the z-score such that: (a) the area under the standard normal curve to its left is 0.5

User Javier Cuervas
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This question out to be one that we could all answer almost instantly.  If the area under the std. norm. curve to the left of z is 0.5 (exactly half of that area), the z value is zero (0).
User Marcello Zago
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