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kotegsom [21]
2 years ago
6

It is estimated that 89% of senior citizens suffer from sleep disorders and 9% suffer from anxiety. Moreover, 5% of senior citiz

ens suffer from both sleep disorders and anxiety.
(a)Find the probability that a senior citizen suffers from anxiety, given that he or she has a sleep disorder. Round your answer to the nearest hundredth.

(b)Given that a senior citizen suffers from anxiety, what is the probability that he or she also suffers from a sleep disorder? Round your answer to the nearest hundredth.
Mathematics
1 answer:
valkas [14]2 years ago
5 0

For a;

P(a | sd) = p(a AND sd)/P(sd) = 0.06/(0.89) = 0.674

For b;

P(ds | a) = P(ds AND a)/P(a) = 0.06/0.09 =\frac{2}{3}

If my calculations are incorrect, then sorry ;/

- <u><em>❤ 7272033Alt ❤</em></u>

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