Let Z be the standard normal variable. Find a constant z, z > 0, such that P(|Z|...

Question

Question

Let Z be the standard normal variable. Find a constant z, z > 0, such that P(|Z| < z) = 0.98

math Statistics-And-Probability

Answer 1

Answer #1

From standard normal table:

P(|Z| < 2.326) = P(-2.326 < Z < 2.326) = 0.98

Therefore,

z = 2.326

Answer 2

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