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Please help with STATS question?

Assume the following to be true about newborn hearing loss and screening:

The prevalence of newborn hearing loss is 1%.

The sensitivity of screening is 95% (i.e., 5% of those with hearing loss will be missed by the screening).

The specificity of screening is 80% (i.e., 20% of those who fail screening will subsequently be found to be normal-hearing).

Given that a newborn fails the screening, what is the probability that they actually do have hearing loss?

(HINT: the definition of “conditional probability” is key to solving this problem.)

1 Answer

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  • 6 years ago

    Why are you asking the dog section to do your homework for you? You can figure it out for yourself.

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