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87 qnd 88 solve both plzz

87 qnd 88 solve both plzz

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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87 qnd 88 solve both plzz
The brain volumes (cm) of 20 brains have a mean of 1079.2 cm3 and a standard deviation of 127.4 cm. Use the given standard deviation and the range rule of thumb to identify the limits separating values that are significantly low or significantly high. For such data, would a brain volume of 1324.0 cm³ be significantly high? Significantly low values are cm or lower. (Type an integer or a decimal. Do not round.) Significantly high values areO cm3 or higher. (Type an integer or a decimal. Do not round.) Is 1324.0 cm significantly high? O A. No, because it is above the upper limit separating value. O B. No, because it is between the limits separating values. O C. No, because it is below the lower limit separating value. O D. Yes, because it is above the upper limit separating value. O E. Yes, because it is below the lower limit separating value. OF. Yes, because it is between the limits separating values.
Transcribed Image Text:The brain volumes (cm) of 20 brains have a mean of 1079.2 cm3 and a standard deviation of 127.4 cm. Use the given standard deviation and the range rule of thumb to identify the limits separating values that are significantly low or significantly high. For such data, would a brain volume of 1324.0 cm³ be significantly high? Significantly low values are cm or lower. (Type an integer or a decimal. Do not round.) Significantly high values areO cm3 or higher. (Type an integer or a decimal. Do not round.) Is 1324.0 cm significantly high? O A. No, because it is above the upper limit separating value. O B. No, because it is between the limits separating values. O C. No, because it is below the lower limit separating value. O D. Yes, because it is above the upper limit separating value. O E. Yes, because it is below the lower limit separating value. OF. Yes, because it is between the limits separating values.
Assume that a randomly selected subject is given a bone density test. Those test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find the probability of a bone density test score greater than - 1.95. Sketch the region. Choose the correct graph below. O A. OB. OC. OD. -1.95 -1.95 1.95 -1.95 The probability is (Round to four decimal places as needed.)
Transcribed Image Text:Assume that a randomly selected subject is given a bone density test. Those test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find the probability of a bone density test score greater than - 1.95. Sketch the region. Choose the correct graph below. O A. OB. OC. OD. -1.95 -1.95 1.95 -1.95 The probability is (Round to four decimal places as needed.)
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