Construct a table. 405 out of 432 females that were pregnant tested positive. 106 out of 111 females that were not pregnant tested negative. tested + tested - pregnant ? ? not pregnant ? ?
Added by Kenneth B.
Step 1
Number of pregnant females = 432 Number of pregnant females who tested positive = 405 Number of pregnant females who tested negative = 432 - 405 = 27 ** Show more…
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