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17) For 6-year-old children, the mean weight is 64.23 pounds with a standard deviation of 4.21 pounds. Convert the following observations into z scores: a) 56.47 b) 71.20 c) 59.24 d) 68.99 e) 65 03.00 18) Using the standard normal table, answer the following questions. a) What is the area of proportion below a z score of -.89? b) What is the area of proportion between the mean and a z score of -1.73? c) What is the area of proportion between the mean and a z score of .09? d) What is the area of proportion above a z score of 2.04? 9) Based on the mean and standard deviation given to you in question 17, what year-olds have a weight between the mean and 75.21 pounds? percent D) Explain what the following means: "the null hypothesis is deemed true until proven false." Why is this the case?

17) For 6-year-old children, the mean weight is 64.23 pounds with a standard deviation of 4.21 pounds. Convert the following observations into z scores: a) 56.47 b) 71.20 c) 59.24 d) 68.99 e) 65 03.00 18) Using the standard normal table, answer the following questions. a) What is the area of proportion below a z score of -.89? b) What is the area of proportion between the mean and a z score of -1.73? c) What is the area of proportion between the mean and a z score of .09? d) What is the area of proportion above a z score of 2.04? 9) Based on the mean and standard deviation given to you in question 17, what year-olds have a weight between the mean and 75.21 pounds? percent D) Explain what the following means: "the null hypothesis is deemed true until proven false." Why is this the case?

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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17) For 6-year-old children, the mean weight is 64.23 pounds with a standard deviation of 4.21 pounds. Convert the following observations into z scores: a) 56.47 b) 71.20 c) 59.24 d) 68.99 e) 65 03.00 18) Using the standard normal table, answer the following questions. a) What is the area of proportion below a z score of -.89? b) What is the area of proportion between the mean and a z score of -1.73? c) What is the area of proportion between the mean and a z score of .09? d) What is the area of proportion above a z score of 2.04? 9) Based on the mean and standard deviation given to you in question 17, what year-olds have a weight between the mean and 75.21 pounds? percent D) Explain what the following means: "the null hypothesis is deemed true until proven false." Why is this the case?
Transcribed Image Text:17) For 6-year-old children, the mean weight is 64.23 pounds with a standard deviation of 4.21 pounds. Convert the following observations into z scores: a) 56.47 b) 71.20 c) 59.24 d) 68.99 e) 65 03.00 18) Using the standard normal table, answer the following questions. a) What is the area of proportion below a z score of -.89? b) What is the area of proportion between the mean and a z score of -1.73? c) What is the area of proportion between the mean and a z score of .09? d) What is the area of proportion above a z score of 2.04? 9) Based on the mean and standard deviation given to you in question 17, what year-olds have a weight between the mean and 75.21 pounds? percent D) Explain what the following means: "the null hypothesis is deemed true until proven false." Why is this the case?
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