Fill in the Venn Diagram that would represent this data.
150 people at a Willie Nelson concert were asked if they knewhow to code PHP, Python or COBOL.
18 people could code none of these languages.
10 people could code all three of these languages.
77 people could code Python or COBOL but could not code PHP.
73 people could code COBOL.
49 people could code at least two of these languages.
13 people could code PHP and COBOL but could notcode Python.
21 people could code PHP and Python.
question :
1. How many people code only PHP ?
2. How many people code only PHP and Python ?
3. How many people code only
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