Maurice Tutor

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Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
Last Sign in: 398 Weeks Ago, 6 Days Ago
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Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

Experience

  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 17 Sep 2017 My Price 7.00

Diagnostic tests of medical conditions

Survey: Medical Tests Diagnostic tests of medical conditions can have several types of results. The test result can be positive or negative, whether or not a patient has the condition. A positive test(+) indicates that the patient has thecondition. A negative test(-) indicates that the patient does not have the condition. Remember, a positive test does not prove that the patient has the condition. Additional medical work may be required. Consider a random sample of 200 patients, some of whom have a medical condition and some of whom do not. Results of a new diagnostic test for the condition are shown.

 

Condition Present

Condition Absent

Row Total

Test Result +

110

20

130

Test Result -

20

50

70

Column Total

130

70

200

Assume the sample is representative of the entire population. For a person

selected at random, compute the following probabilities:

(a) P(+ | condition present) ; this is known as the sensitivity of a test.

(b) P(- | condition present); this is known as the false-negative rate.

(c) P(- | condition absent); this is known as the specificity of a test.

(d) P(+ | condition absent) ; this is known as the false-positive rate.

(e) P(condition present and +); this is the predictive value of the test.

(f) P(condition present and -).

Answers

Maurice Tutor
(5)
Status NEW Posted 17 Sep 2017 10:09 PM My Price 7.00

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