Asked by Jake

Last year, when the first Covid-19 tests were being used, there were a few issues with accuracy. In April of 2020, 99% of the people tested for Covid-19 did not have the virus. When they were tested, 1% of the tests showed a false positive response, and 30 percent of the tests showed a false negative response regardless of whether the person had Covid19 or not.
show work:
1)what is the probability that a person tested positive for Covid19, if they had the virus?
2)what is the probability that a person who tested negative had Covid19?
3)what is the probability that someone tested negative?
Answered by Mrs. Lilly
Jake you can find these answers online on google am sure you'll find what you need.
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