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Question Number 150154 by math55 last updated on 09/Aug/21

1)The probability of a Malaria patient   surviving from a newly discovered  drug is 0.27,while the probability of  a typhoid patient surviving from another  newly discovered drug is 0.85.Find  the probabilities of   i)Either of the two patient surviving  ii)Neither of the two patient surviving  iii)At least one survives

$$\left.\mathrm{1}\right)\mathrm{The}\:\mathrm{probability}\:\mathrm{of}\:\mathrm{a}\:\mathrm{Malaria}\:\mathrm{patient}\: \\ $$$$\mathrm{surviving}\:\mathrm{from}\:\mathrm{a}\:\mathrm{newly}\:\mathrm{discovered} \\ $$$$\mathrm{drug}\:\mathrm{is}\:\mathrm{0}.\mathrm{27},\mathrm{while}\:\mathrm{the}\:\mathrm{probability}\:\mathrm{of} \\ $$$$\mathrm{a}\:\mathrm{typhoid}\:\mathrm{patient}\:\mathrm{surviving}\:\mathrm{from}\:\mathrm{another} \\ $$$$\mathrm{newly}\:\mathrm{discovered}\:\mathrm{drug}\:\mathrm{is}\:\mathrm{0}.\mathrm{85}.\mathrm{Find} \\ $$$$\mathrm{the}\:\mathrm{probabilities}\:\mathrm{of}\: \\ $$$$\left.\mathrm{i}\right)\mathrm{Either}\:\mathrm{of}\:\mathrm{the}\:\mathrm{two}\:\mathrm{patient}\:\mathrm{surviving} \\ $$$$\left.\mathrm{ii}\right)\mathrm{Neither}\:\mathrm{of}\:\mathrm{the}\:\mathrm{two}\:\mathrm{patient}\:\mathrm{surviving} \\ $$$$\left.\mathrm{iii}\right)\mathrm{At}\:\mathrm{least}\:\mathrm{one}\:\mathrm{survives} \\ $$

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