probability distribution below The number of overtime hours worked in one week per employee Overtime hours Probability a Find the mean variance and standard deviation of the probability distribution Find the mean of the probability distribution Find the variance of the probability distribution Round to one decimal place as needed Round to one decimal place as needed Find the standard deviation of the probability distribution Round to one decimal place as needed b Interpret the results in the context of the real life situation 0 0 021 1 0 058 OA An employee works an average 3 5 of overtime hours per week with a standard deviation of approximately 4 hours OB An employee works an average of 1 9 overtime hours per week with a standard deviation of approximately 1 4 hours C An employee works an average of 1 4 overtime hours per week with a standard deviation of approximately 3 5 hours D An employee works an average of 3 5 overtime hours per week with a standard deviation of approximately 1 4 hours 2 0 136 3 0 309