(Answered) 1 social security numbers each social security number is a

Statistics

1. Social Security Numbers Each social security number is a sequence of nine digits. What is the probability of randomly generating nine digits and getting your social security number?

Positive Test Results Negative Test Result

Subject is pregnant 80 5

Subject is not pregnant 3 11

2. Assume that one of the subjects is randomly selected. Find the probability that the selected subject is not pregnant, given that the test was negative. I the result the same as the probability of a negative test result given that the selected subject is not pregnant?

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