Incomes of workers in an automobile company in Michigan are known to be right-skewed with a mean equal to $36,100. If at least 8/9 of all incomes are in the range of $29.500 to $42,700. and this was based on Tchebysheff's Theorem, what is the standard deviation for the auto workers? O a. $2,600 O b. Approximately $4,755 . C. $2,200 O d. $6,500 D e. $6,700 Clear my choice