Please answer I-M n d recent est survey, 12OU randomly se ected US d ult cuzens

Question

Please answer I-M

n d recent est survey, 12OU randomly se ected US d ult cuzens were as ed seres o questions eqaru nq her th dnd their financial status. Ihe dnswers prov'ded by the respor ents allev m estigators u categorize each one into d hea th1eve and d Assume that this Is a rcprescntativc sample of USdults nd that te ansvers provided wara truthful. ial Class Goad Fscellent 523 170 rking 73 22 157 Micdle pper 01 121 & Nominal In this study the Health Assessment variable is: Consider that yau andomly select one of theee cords rom the 130espanses; ue the reuts published in Table 1, ahove, to find the following probabilities Note: You may answer in traction (n/dj tom. tt vou oomputa declmal anzjwer, usc at least 5-decinnal precislon B) P(Pner Health)-10000 c)-(Upper Class) = 0.09077 E) P(Poor Haalth Upper Class)-0.03390 Fj pWarking Clas & Excellent Health,-ID 12077 G) PGeod or Excellent Healt-7500D H3 (rd" Health wurking Class) : 0.49615 L) P(Middle Class 1 [Good Health] M) From the choives belosw, which of the events are mutually excusive Nota choices are in the form 'Bocial lass Health SARMmAnt Low/Fair Upper/Good Upper Fair Upper/uur Middle/poor Middleai

Explanation / Answer

I) P(excellent health) = (0+157+358+44)/1300 = 0.43000

J) P(middle class | good health) = P(middle class and good health)/P(good health)

= 121/(17+220+121+58)

= 0.29087

K) P([middle class]c | good health) = 1 - 0.29087

= 0.70913

L) P(middle class | [good health]c ) = (48+61+368)/(1300-17-220-121-58)

= 477/942

= 0.50637

M) Low/Excellent

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