2 Consider the normal distribution of IQs with mean of 100 and a standard deviation of 16. What percentages of IQs are; a. Greater than 95 b. Between 90 and 110 C Less than 120
2 Consider the normal distribution of IQs with mean of 100 and a standard deviation of 16. What percentages of IQs are; a. Greater than 95 b. Between 90 and 110 C Less than 120
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
![2. Consider the normal distribution of IQs with mean of 100 and a standard deviation of
16. What percentages of IQs are;
a. Greater than 95
b. Between 90 and 110
C. Less than 120
3. Given a normal distribution with population mean of 42 and population variance of 16,
find the value of x that leaves 12.3% of the area to the right of z-score of x?
4. Find the upper 10% of the normal curve. (hint: the shaded region to the right of z-score)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc7e7ac39-2fbe-416f-8691-eb8f40cd9e1c%2Ff7f1da14-c641-4414-8cac-396ec41a4e2b%2Fzwrjh4n_processed.png&w=3840&q=75)
Transcribed Image Text:2. Consider the normal distribution of IQs with mean of 100 and a standard deviation of
16. What percentages of IQs are;
a. Greater than 95
b. Between 90 and 110
C. Less than 120
3. Given a normal distribution with population mean of 42 and population variance of 16,
find the value of x that leaves 12.3% of the area to the right of z-score of x?
4. Find the upper 10% of the normal curve. (hint: the shaded region to the right of z-score)
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