Suppose that you are conducting a survey on how many pets each employee has in his or her household. The mean number of pets is 4 per household, and the standard deviation is 2. Rob only owns cats, and he has 10 of them. Which of the following statements is true? A. Rob's number of pets is 3 standard deviations to the left of the mean. B. Rob's number of pets is 3 standard deviations to the right of the mean. C. Rob's number of pets is 6 standard deviations to the left of the mean. D. Rob's number of pets is 6 standard deviations to the right of the mean.