Mathematics, 21.07.2020 19:01 ItzJuztWillie
12 Approximately 1 in 14 men over the age of 50 has prostate cancer. The level of 'prostate specific
antigen' (PSA) is used as a preliminary screening test for prostate cancer.
7% of men with prostate cancer do not have a high level of PSA. These results are known as 'false
negatives'
75% of those men with a high level of PSA do not have cancer. These results are known as 'false
positives'.
If a man over 50 has a normal level of PSA, what are the chances that he has prostate cancer?
Answers: 1
Mathematics, 21.06.2019 17:30
Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?
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Mathematics, 21.06.2019 18:00
The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?
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Mathematics, 21.06.2019 18:30
Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?
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Mathematics, 21.06.2019 20:00
Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?
Answers: 2
12 Approximately 1 in 14 men over the age of 50 has prostate cancer. The level of 'prostate specific...
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