Calculus and Above

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Calculus and Above

Answers to questions 3-6

Customer Question
answers to questions 3-6
Submitted: 2 years ago.Category: Calculus and Above
Answered in 16 minutes by:
10/8/2015
Tutor: Mr. Glenn, Math and Stat Expert replied 2 years ago
Mr. Glenn, Math and Stat Expert
Category: Calculus and Above
Satisfied Customers: 828
Experience: Math Professor for at least 15 yrs
Verified

Hi

Thank you for using this site.

Can you please post your actual/complete questions 3 to 6?

Thanks

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Customer reply replied 2 years ago
A screening examination was performed on 250 persons for Factor X, which is found in disease Y. A definitive diagnosis for disease Y among the 250 persons had been obtained previously. The results are charted below:RESULTS OF DIAGNOSIS
Test Results Disease Present Disease Absent
Positive for Factor X 40 60
Negative for Factor X 10 140The sensitivity of this test is expressed asA screening examination was performed on 250 persons for Factor X, which is found in disease Y. A definitive diagnosis for disease Y among the 250 persons had been obtained previously.The results are charted below:RESULTS OF DIAGNOSIS
Test Results Disease Present Disease Absent
Positive for Factor X 40 60
Negative for Factor X 10 140The specificity of this test is:A screening examination was performed on 250 persons for Factor X, which is found in disease Y. A definitive diagnosis for disease Y among the 250 persons had been obtained previously.The results are charted below:RESULTS OF DIAGNOSIS
Test Results Disease Present Disease Absent
Positive for Factor X 40 60
Negative for Factor X 10 140The positive predictive value of this test is:
A screening examination was performed on 250 persons for Factor X, which is found in disease Y. A definitive diagnosis for disease Y among the 250 persons had been obtained previously.The results are charted below:RESULTS OF DIAGNOSIS
Test Results Disease Present Disease Absent
Positive for Factor X 40 60
Negative for Factor X 10 140The negative predictive value of this test is:
Tutor: Mr. Glenn, Math and Stat Expert replied 2 years ago

Hi
can you attach the word file for these questions? I think the data are messed up. Thanks. How many hours from now do you need the answers?

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