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HI, The textbook I am using is The Basic Practice of Statistics, 8th Edition and the...

HI, The textbook I am using is The Basic Practice of Statistics, 8th Edition and the question I have is; The proportion of observations from a standard Normal distribution that have values (ie. z-scores) between 1 and 2 is about (hint: Use Table A): A- 0.025 B- 0.135 C- 0.160 D- 0.625

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Answer:B) 0.1359

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