Question 825378: Based on this survey, what is the probability that a randomly selected American adult has never been tested? Show your work. Hint: using the data in the two total rows, this would be calculated as p (NT) /( p (NT) + p (T)), where p is probability.
ge Group
Tested
Never Tested
18-44 years
50,080
56,405
45-64 years
23,768
48,537
65-74 years
2,694
15,162
75 years and over
1,247
14,663
Total
77,789
134,767
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! American adult has never been tested? Show your work. Hint: using the data in the two total rows, this would be calculated as p (NT) /( p (NT) + p (T)), where p is probability.
ge Group
Tested
Never Tested
18-44 years ----------------
50,080
56,405
45-64 years-----------------
23,768
48,537
65-74 years-----------------
2,694
15,162
75 years and over-----------
1,247
14,663
Total-----------------------
77,789
134,767
------
P(not tested) = 134,767/(134,767+77,789) = 0.634
======================
Cheers,
Stan H.
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