I1. Solve the following problems.Complete your answer using the standard normal distribution that includes graph, andinterpretation.1. The mean height of the students in Grade 12 Newton is 125 cm and has a standarddeviation of 3.5 cm. Assuming the heights are normally distributed, what percent of theheights is:a. Greater than 135 cmb. Less than 128 cmC. Between 115 and 130 cm2. Consider the normal distribution of 1Qs with mean of 100 and a standard deviation of16. What percentages of IQs are;a. Greater than 95b. Between 90 and 110C. Less than 1203. 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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1. The mean height of the students in Grade 12 Newton is 125 cm and has a standard deviation of 3.5 cm. Assuming the heights are normally distributed, what percent of the heights is: a. Greater than 135 cm b. Less than 128 cm c. Between 115 and 130 cm of

1. The mean height of the students in Grade 12 Newton is 125 cm and has a standard deviation of 3.5 cm. Assuming the heights are normally distributed, what percent of the heights is: a. Greater than 135 cm b. Less than 128 cm c. Between 115 and 130 cm of

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section: Chapter Questions

Problem 22SGR

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Question

I1. Solve the following problems.
Complete your answer using the standard normal distribution that includes graph, and
interpretation.
1. The mean height of the students in Grade 12 Newton is 125 cm and has a standard
deviation of 3.5 cm. Assuming the heights are normally distributed, what percent of the
heights is:
a. Greater than 135 cm
b. Less than 128 cm
C. Between 115 and 130 cm
2. Consider the normal distribution of 1Qs 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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