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Mathematics, 14.02.2022 04:00, stusullivanriley
A drug trial had 662 participants. A survey was taken to determine how many had nausea as a side effect, how many had dizziness, and how many had fatigue.
The Venn diagram below shows the results. (Each number gives the number of participants who fall into that Venn diagram category.)
-All participants in the survey
Had
Had
dizziness
41
143
67
(a) How many of the participants had exactly one of the three side effects?
O Participants
nausea
72
(b) How many of the participants had dizziness?
I participants
109
53
131
46
(c) How many of the participants had both fatigue and nausea, but didn't have dizziness?
participants
Had
fatigue
х
5
?
Sub
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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A drug trial had 662 participants. A survey was taken to determine how many had nausea as a side eff...
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