in a school all students play either football ir volleyball 300 play football 250 play volleyball and 110 play both the game . d
2 answers:
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Answer:
The percentage is
Step-by-step explanation:
From the question we are told that
The population mean is
The standard deviation is
The percent of people who write this exam obtain scores between 350 and 650
Generally
From the z-table
and
=>
=>
Therefore the percentage is