Question: Find the following probabilities based on the standard normal variable Z . (You may find it useful to reference the z table . Leave no

Find the following probabilities based on the standard normal variable Z. (You may find it useful to reference the z table. Leave no cells blank - be certain to enter "0" wherever required. Round your answers to 4 decimal places.)

a.P(0.67 Z 0.23)

b.P(0 Z 1.96)

c.P(1.28 Z 0)

d.P(Z > 4.2)

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