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Last year at a particular day care center, \(98\%\) of the children were sick less than \(40\) days and \(50\%\) of the children were sick less than \(25\) days. If days sick was normally distributed among the children, what is the standard deviation?
A. \(65\)
B. \(48\)
C. \(24\)
D. \(15\)
E. \(7.5\)
OA: E
A. \(65\)
B. \(48\)
C. \(24\)
D. \(15\)
E. \(7.5\)
OA: E
