A screening test for an infectious disease results in a positive test or in a negative test. Refer to the given tree diagram. Positive 0.005 Not Infected Negative Positive Infected 0.02 Negative 0.01 Use probability notations in all your calculations. Keep 4 decimals. a) Complete the tree diagram with the missing information. b) Calculate the probability that a randomly selected person tests negatíve and is infected.

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A screening test for an infectious disease
results in a positive test or in a negative test.
Refer to the given tree diagram.
Positive
0.005
Not
Infected
Negative
Positive
Infected
0.02
Negative
0.01
Use probability notations in all your calculations. Keep 4 decimals.
a) Complete the tree diagram with the missing information.
b) Calculate the probability that a randomly selected person tests negatíve and is infected.
c) What percentage of the population tests negative?
Transcribed Image Text:A screening test for an infectious disease results in a positive test or in a negative test. Refer to the given tree diagram. Positive 0.005 Not Infected Negative Positive Infected 0.02 Negative 0.01 Use probability notations in all your calculations. Keep 4 decimals. a) Complete the tree diagram with the missing information. b) Calculate the probability that a randomly selected person tests negatíve and is infected. c) What percentage of the population tests negative?
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