Question: 1.80 Find more proportions. Using either software or Table A, find the proportion of observations from a standard Normal distribution for each of the following

1.80 Find more proportions. Using either software or Table A, find the proportion of observations from a standard Normal distribution for each of the following events. In each case, sketch a standard Normal curve and shade the area representing the proportion. a. Z< _ 1.7 b. Z> c. Z > 21 - 1.7 d -17<7<21

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