escQuestion 8The lengths of adult males' hands are normally distributed with mean 195 mm and standard deviation is 7.5mm. Suppose that 44 individuals are randomly chosen. Round all answers to 4 where possible.Hint:Some Helpful Videos:a. What is the distribution of ? - NIb. For the group of 44, find the probability that the average hand length is more than 197.c. Find the third quartile for the average adult male hand length for this sample size.d. For part b), is the assumption that the distribution is normal necessary? O No YesHint1F1▼●Finding the Sampling Distribution [+]• Finding a Probability Using the Central Limit Theorem [+]●• Finding Value Given a Probability Using the Central Limit Theorem [+]• The Central Limit Theorem For Sums [+]@F2< >#80F3000000F4%F5MacBook AirAF6&F7DIIFB(DDF9)F10F11+F12

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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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The lengths of adult males' hands are normally distributed with mean 189 mm and standard deviation is 7.3 mm. Suppose that 46 individuals are randomly chosen. Round all answers to 4 where possible. a. What is the distribution of x? ¤ - N( b. For the group of 46, find the probability that the average hand length is more than 188. c. Find the third quartile for the average adult male hand length for this sample size. d. For part b), is the assumption that the distribution is normal necessary? O YesO No Hint: Some Helpful Videos: Finding the Sampling Distribution [+] Finding a Probability Using the Central Limit Theorem [+] Finding Value Given a Probability Using the Central Limit Theorem [+] • The Central Limit Theorem For Sums 2 [+]
The average price of a college math textbook is $175 and the standard deviation is $23. Suppose that 14 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of ¯ x ? ¯ x ~ N b. or the group of 14, find the probability that the average price is between $170 and $179. c. Find the third quartile for the average textbook price for this sample size
The average price of a college math textbook is $156 and the standard deviation is $30. Suppose that 15 textbooks are randomly chosen. Round all answers to 4 decimal places where possible.a. What is the distribution of x¯? x¯~ N(? , ?) b.For the group of 15, find the probability that the average price is between $151 and $156. c.Find the first quartile for the average textbook price for this sample size. $ ? (round to the nearest cent)
The lengths of adult males' hands are normally distributed with mean 187 mm and standard deviation is 7 mm. Suppose that 40 individuals are randomly chosen. Round all answers to 4 where possible. a. What is the distribution of z? 7 - N b. For the group of 40, find the probability that the average hand length is more than 188. C. Find the third quartile for the average adult male hand length for this sample size. d. For part b), is the assumption that the distribution is normal necessary? Yes No
The lengths of adult males' hands are normally distributed with mean 185 mm and standard deviation is 7.5 mm. Suppose that 17 individuals are randomly chosen. Round all answers to 4 where possible. a. What is the distribution of æ? ¤ - N( b. For the group of 17, find the probability that the average hand length is more than 184. c. Find the first quartile for the average adult male hand length for this sample size. Round to 2 decimal places. d. For part b), is the assumption that the distribution is normal necessary? Yes No
Assume that in a given year the mean mathematics SAT score was 495, and the standard deviation 111. A sample of 61 score is chosen. ANSWER ALL QUESTIONS PLEASE SHOW WORK A.What is the probability that same mean score is less than 484? B. The probability that the sample mean score is between 460 and 500 is? C. The 10th percentile of the sample mean is D. Would it be unusual if the sample mean were greater than 520? And what is the probability? E. Do you think it would be unusual for an individual to get a score greater than 520? What is the probability
Question The following data represent the time of unit failures, in seconds. 37 25 33 31 43 34 36 22 41 31 35 42 35 30 45 32 37 30 26 34 33 38 31 47 29 33 39 37 44 32 19 41 34 47 38 16 31 26 32 39 Classify data into seven classes and complete the missing information in the table: Class С.В. С.L. С.М. F R.F P ACF RACF PACF DCF RDCF PDCF 1 2 3 4 5 7 Where: C.B.= Class Boundaries, C.L.= Class Limits, C.M.= Class Mark, F= Frequency, R.F.= Relative frequency, P= Percentage, ACF=Ascending Cumulative Frequency, RACF= Relative Ascending cumulative frequency, PACF= Percentage Ascending cumulative frequency, DCF= Descending cumulative frequency, RDCF= Relative %3D Descending cumulative frequency, PDCF= Percentage Descending cumulative frequency.
The lengths of adult males' hands are normally distributed with mean 190 mm and standard deviation is 7.4 mm. Suppose that 44 individuals are randomly chosen. Round all answers to 4 where possible. a. What is the distribution of ? I - N( b. For the group of 44, find the probability that the average hand length is more than 189. c. Find the first quartile for the average adult male hand length for this sample size. d. For part b), is the assumption that the distribution is normal necessary? No Yes Submit Ouortion
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The average price of a college math textbook is $165 and the standard deviation is $25. Suppose that 10 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( b. For the group of 10, find the probability that the average price is between $162 and $170. c. Find the third quartile for the average textbook price for this sample size. $ the nearest cent) d. For part b), is the assumption that the distribution is normal necessary? O No Yes (round to
The average price of a college math textbook is $154 and the standard deviation is $20. Suppose that 43 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of x? x NO b. For the group of 43, find the probability that the average price is between $152 and $157. c. Find the first quartile for the average textbook price for this sample size. $ (round to the nearest cent)
The lengths of adult males' hands are normally distributed with mean 191 mm and standard deviation is 7.4 mm. Suppose that 8 individuals are randomly chosen. Round all answers to 4 where possible. a. What is the distribution of x? ¤ - N( b. For the group of 8, find the probability that the average hand length is less than 189. c. Find the first quartile for the average adult male hand length for this sample size. d. For part b), is the assumption that the distribution is normal necessary? O NoO Yes

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