A certain variable follows the normal distribution N (85, 4). This tells us that: (a) about 68% of observations of this
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A certain variable follows the normal distribution N (85, 4). This tells us that: (a) about 68% of observations of this
A certain variable follows the normal distribution N (85, 4). This tells us that: (a) about 68% of observations of this variable are between: (b) about 95% of observations of this variable are between (c) about 99.7% of observations of this variable are between and and and
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