Elemental statistics


label Algebra
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34% democrats, 25% republicans, 2% liberals and the rest. If 30 random people are selected. You would expect about (blank) democrats, give or take about (blank). DO STEP BY STEP PLZ
May 29th, 2015

for 30 people, the probability of picking a democrat is 34%=(34/100)=0.34

but the selection is randomly done 30 times, therefore, possible number of democrats will be;

=0.34*30

=10.2

round off to the nearest whole number,

=10 democrats

May 29th, 2015

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May 29th, 2015
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May 29th, 2015
Nov 18th, 2017
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