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 IQ score between 108 and 127 if the z scores are z,= -0.47 and z,=0.8 respectively? A 46.89 % В 78.81% (c) 31.92% 89.27 %

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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 IQ score between 108 and 127 if the z scores are z,=-0.47 and z,=0.8 respectively?
46.89 %
78.81 %
31.92%
89.27%
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 IQ score between 108 and 127 if the z scores are z,=-0.47 and z,=0.8 respectively? 46.89 % 78.81 % 31.92% 89.27%
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