Milo works on an assembly line manufacturing widgets. Let X be the number of defective widgets that he produces in a given month. Assume X follows a Poisson distribution with a mean of 3.5. Milo receives a monthly bonus of 25(4-X) if X is less than 4. If X is greater than 4, then Milo receives no bonus for that month. Calculate the standard deviation of Milo's monthly bonus. O 25.49 O 26.65 O27.81 O 28.96

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