An average swimming pool contains 19200 gallons of water. The pool needs drained at the end of the summer. Water drains from the
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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