1. The blood pressure readings for executives are approximately normally distributed with a mean systolic blood pressure of 134 and a standard deviation of 20 . Given this information it can be concluded that: a about $$ 68 \% $$ of the executives have blood pressures between $$ \square $$ and $$ \square $$ b about $$ 95 \% $$ of the executives have blood pressures between $$ \square $$ and c about $$ 99.7 \% $$ of the executives have blood pressures between $$ \square $$ and d about $$ 16 \% $$ of the executives have blood pressures above $$ \square $$ e about $$ 2.5 \% $$ of the executives have blood pressures below $$ \square $$ f about $$ 0.15 \% $$ of the executives have blood pressures below $$ \square $$ g about $$ 50 \% $$ of the executives have blood pressures above $$ \square $$.

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Delgado Hall · Accepted Answer

a. About $$ 68\% $$ of the executives have blood pressures between $$ 114 $$ and $$ 154 $$. b. About $$ 95\% $$ of the executives have blood pressures between $$ 94 $$ and $$ 174 $$. c. About $$ 99.7\% $$ of the executives have blood pressures between $$ 74 $$ and $$ 194 $$. d. About $$ 16\% $$ of the executives have blood pressures above $$ 154 $$. e. About $$ 2.5\% $$ of the executives have blood pressures below $$ 94.8 $$. f. About $$ 0.15\% $$ of the executives have blood pressures below $$ 74 $$. g. About $$ 50\% $$ of the executives have blood pressures above $$ 134 $$.

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