MATH 1330 CHAPTER 5 BLACK_BOARD ASSIGNMENT Problem #3: B older) get the fl appro
ID: 2923464 • Letter: M
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Explanation / Answer
Ans:
Given that
P(flu/above 65)=0.14
P(flu/under 65)=0.24
P(above 65)=0.125
P(under 65)=1-0.125=0.875
a)P(above 65 and flu)=P(flu/above 65)*P(above 65)=0.14*0.125=0.0175
b)P(under 65 and flu)=P(flu/under 65)*P(under 65)=0.24*0.875=0.21
c)Now,P(above 65)=0.95
P(under 65)=1-0.95=0.05
P(above 65 and flu)=P(flu/above 65)*P(above 65)=0.14*0.95=0.133
P(under 65 and flu)=P(flu/under 65)*P(under 65)=0.24*0.05=0.012
d)Now,P(above 65)=0.5
P(under 65)=0.5
P(above 65 and flu)=P(flu/above 65)*P(above 65)=0.14*0.5=0.07
P(under 65 and flu)=P(flu/under 65)*P(under 65)=0.24*0.5=0.12
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