200 people were screened for disease Y using a new rapid tes…

200 people were screened for disease Y using a new rapid test and then tested with a gold standard for confirmation. The table below shows the results   Gold standard Disease + Gold standard Disease –   New Test + 50 35 85 New Test – 20 95 115   70 130 200 Which of the following is the negative predictive value of the test?

200 people were screened for disease Y using a new rapid tes…

200 people were screened for disease Y using a new rapid test and then tested with a gold standard for confirmation. The table below shows the results   Gold standard Disease + Gold standard Disease –   New Test + 50 35 85 New Test – 20 95 115   70 130 200 Which of the following is the number of false-positives: