Question 309088
First rank the 6 employees by effectiveness score, E: 0.46, 0.59, 0.64, 0.72,0.76,0.81
Find the mean of E. 
 {{{Me=(0.46+0.59+0.64+0.72+0.76+0.81)/6=66.3}}}
a) {{{ P(E>0.75)=2/6=1/3 }}}
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b){{{P(0.5>E>0.75)=3/6=1/2}}}
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c){{{P(E>66.3)=3/6=1/2}}}
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d){{{P(E>=0.90)=0/6=0}}}