Standard normal variable
1. Given that Z is a standard normal variable, P(Z > -1.61) is ?
2. If X has a normal distribution with mean 100 and standard deviation 50, P(X > 150 ) is?
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Given that Z is a standard normal variable, P(Z > -1.61) is? If X has a normal distribution with mean 100 and standard deviation 50, P(X > 150 ) is?
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