ux= 1/100-x + 1/100-x
20|10q50= 20p50-20+10p50
= {(100-50-20)/(100-50) }*{(100-50-20)/(100-50)} -20 + {(100-50-10)/(100-50) }*{(100-50-10)/(100-50)}
=(9/25)-20+(16/25)
= 1-20
=-19
20p50.5 = {(100-50.5-20)/(100-50.5) }* {(100-50.5-20)/(100-50.5) }
= .5959*.5959
= 0.3552
e50 =
u=1/50=.02
e50= e-.02{1-e-.02*00}/{1-e-.02}
=e-.02/(1-e-0.02)
= 49.501666
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