1.128 Find some proportions. Using your calculator or software, find the vations from a standard Normal distr each of the following statements. In e a standard Normal curve and shade t curve that is the answer to the questic (a) Z > 1.55 (b) Z < 1.55 (c) Z> -0.70 (d) -0.70Z < 1.55

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1.128 Find some proportions. Using either Table A or
your calculator or software, find the proportion of obser-
vations from a standard Normal distribution that satisfies
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.
(a) Z> 1.55
(b) Z < 1.55
(c) Z-0.70
(d) -0.70Z < 1.55
Transcribed Image Text:1.128 Find some proportions. Using either Table A or your calculator or software, find the proportion of obser- vations from a standard Normal distribution that satisfies 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. (a) Z> 1.55 (b) Z < 1.55 (c) Z-0.70 (d) -0.70Z < 1.55
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