I need help with (c) please help

Homework: Chapter 4 (Sections 4.1 through 4.5) (i Saved Help Save & Exit Submit Check my work The mean monthly rent of students at Oxnard University is $750 with a standard deviation of $240. (a) John's rent is $1,335. What is his standardized z-score? (Round your answer to 3 decimal places.) 5 points Z 2.438 eBook Ask (b) Is John's rent an outlier? Print Yes O No References (c) How high would the rent have to be to qualify as an outlier? John's rent would have to be or higher to be considered an outlier