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2. The mean height of Grade 1 students is 125 cm and the standard deviation is 3.5 cm. Assuming the heights are normally distributed, what percent of the height is a.) Greater than 135 cm? b.) Less: than 128 cm? c.) Between 115 and 130 cm? 3. The systolic blood pressure for a certain group of people follows a normal distribution with mean 120 and standard deviation of 5. Find the probability that a randomly selected person from the group will have a systolic blood pressure a.) Above 135 b.) Belowv 110 COCOECTO TOMAS-REC LETES TE Between 115 and 140 ILVE DA