Question: If Z is a standard normal random variable, prove this companion to the inequality in Example 3.6.3: 2 t P(IZ| 2 t) 2 V *1+t2

If Z is a standard normal random variable, prove this companion to the inequality in Example 3.6.3:
2 t P(IZ| 2 t) 2 V *1+t2

2 t P(IZ| 2 t) 2 V *1+t2

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