If the average height of 500 students in a secondary school is 151 cm, and the standard deviation is 15 cm, and assuming that the lengths are distributed naturally, find the expected value for students whose heights are between 120 and 155 cm, knowing that 0.6064 = (0.27)p and 0.9808 = (2,07)p 0.2587 ( c) 0.7582 0.8572 (+ 0.5872(

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