TjandTee26701 TjandTee26701 27-02-2024 Mathematics contestada Roma tomatoes from one particular harvest have a mean weight of 99 grams with a standard deviation of 13 grams. Calculate the z-score (to two decimal places) for a Roma tomato with a weight of 90. a) -0.69 b) -0.77 c) -0.78 d) -0.79