Question: Given that Z is a standard normal random variable, what is the probability of observing Z between -1 and +1? Select one: a.0.68 b.0.99 c.0.95

Given that Z is a standard normal random variable, what is the probability of observing Z between -1 and +1?

Select one:

a.0.68

b.0.99

c.0.95

d.0.50

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