If the average height of 500 students in a secondary school is 151 cm, with a standard deviation of 15 cm, and assuming that the lengths are normally distributed, find the expected value of the students whose heights are between 120 and 155 cm. Note that 0.6064 = (0.27)p and 0.9808 = (2.07)p 0.2587 ( c) 0.7582 b) 0.8572 0.5872 (
If the average height of 500 students in a secondary school is 151 cm, with a standard deviation of 15 cm, and assuming that the lengths are normally distributed, find the expected value of the students whose heights are between 120 and 155 cm. Note that 0.6064 = (0.27)p and 0.9808 = (2.07)p 0.2587 ( c) 0.7582 b) 0.8572 0.5872 (
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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