A recent survey of Fortune 500 firms found that on average, they contribute $332.54 per month for each salaried employee's health insurance

If you are told that almost all salaried employees at Fortune 500 firms receive a health insurance contribution between $220.61 and $444.47, and assuming a bell-shaped distribution, what must the standard deviation for this data be?A) $37.31
B) $46.65
C) $55.98
D) $74.64

C

Business

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