Mathematics, 24.03.2021 18:00 renegade2020
A scientist analyzed numerous samples of drinking water for the presence of lead and nickel. One sample is chosen at random. Let L be the event that the sample contains lead. Let N be the event that the sample contains nickel. Which Venn diagram is shaded to represent the event Ln N? N N 20 (22 38 A. Oc. 20 22) 38 N L N 20 22) 38 B. OD 20 22 38
Answers: 2
. 
, 
, and 
be sets. By the distributive law of sets, 
and 
refer to the same set.
refers to the intersection between the two lower circles. The union of that intersection with set 
(the upper circle) would be the shaded region seen in choice A.
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A scientist analyzed numerous samples of drinking water for the presence of lead and nickel. One sam...
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