Question: More Table A practice, I Use Table A to fi nd the proportion of observations from a standard Normal distribution that satisfi es each of
More Table A practice, I Use Table A to fi nd the proportion of observations from a standard Normal distribution that satisfi es each of the following statements.
In each case, sketch a standard Normal curve and shade the area under the curve that is the answer to the question. Use an applet or your calculator to check your answers.
(a) z . 21.81
(b) z , 2.29
(c) 21.81 # z # 20.47
(d) 21.02 # z # 0.65
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