Question: You may need to use the appropriate appendix table to answer this question.Given that z is a standard normal random variable, compute the following probabilities.

You may need to use the appropriate appendix table to answer this question.Given that z is a standard normal random variable, compute the following probabilities. (Round your answers to four decimal places.)

(a) P(1.98 z 0.45)

(b) P(0.54 z 1.22)

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