he lQ scores of a large group of students are approximately normally distributed. What is the probability that a randomly chosen student from this group will have an 1Q score etween 108 and 127 if the z scores are 1.2 and 2.75 respectively. (A) 14.27% B 88.19% I1.21% D 94.1 %

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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The IQ scores of a large group of students are approximately normally distributed. What is the probability that a randomly chosen student from this group will have an 1Q score
between 108 and 127 if the z scores are 1.2 and 2.75 respectively.
A
14.27 %
B
88.19%
C
I1.21%
D
94.1%
Transcribed Image Text:The IQ scores of a large group of students are approximately normally distributed. What is the probability that a randomly chosen student from this group will have an 1Q score between 108 and 127 if the z scores are 1.2 and 2.75 respectively. A 14.27 % B 88.19% C I1.21% D 94.1%
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