Question: Finding areas Use Table A to fi nd the proportion of observations from a standard Normal distribution that falls in each of the following regions.

Finding areas Use Table A to fi nd the proportion of observations from a standard Normal distribution that falls in each of the following regions. In each case, sketch a standard Normal curve and shade the area representing the region. Use an applet or your calculator to check your answers.

(a) z $ 22.25

(b) 22.25 , z , 1.77

(c) z , 2.89

(d) 1.44 , z , 2.89

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