Pleas help super confused!

Condition Present Condition Absent Row Total Test Result + 110 20 130 Test Result - 17 53 70 Column Total 127 73 200 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. 127 (b) P(- | condition present); this is known as the false-negative rate. 110 (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 -). Need Help? Read It