Problem $10-9($Static$)$

After a number of complaints about its tech assistance, a computer manufacturer examined samples of calls to determine the frequency of wrong advice given to callers. Each sample consisted of $100$ calls.

SAMPLE

$12345678910111213141516$

Number of errors $5357468459345667$

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a$.$ Determine $95$ percent limits$.($Do not round your intermediate calculations. Round your final answers to $2$ decimal places. Round up any negative control limit value to zero.$)$