ReadingPressure[mmH20]397123983977) Pressure values measured by various probes in the test section of a windtunnel to obtain the freestream velocity have been given in the table below.The researcher who made the measurements concluded that the 8th reading4398397396had a value of -3.625 as the "deviation from the mean" and eliminated the data7395point based on the Chauvenet criterion. However, she later realized that sheused the factor "1/n" instead of "1/(n-1)" in the calculation of standarddeviation, which was used for data sets with a total number of data points lessthan 20. Find the value of the 8th reading and determine if the elimination isactually necessary.8.?939810398113991239813399143961539916400

Answered: 7) Pressure values measured by various…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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A population has a mean of 300 and a standard deviation of 90. Suppose a sample of size 100 is selected and is used to estimate . Use z-table. What is the probability that the sample mean will be within +/- 8 of the population mean (to 4 decimals)? (Round z value in intermediate calculations to 2 decimal places.) What is the probability that the sample mean will be within +/- 13 of the population mean (to 4 decimals)? (Round z value in intermediate calculations to 2 decimal places.)
The combined SAT scores for the students at a local high school are normally distributed with a mean of 1533 and a standard deviation of 304. The local college includes a minimum score of 925 in its admission requirements.What percentage of students from this school earn scores that satisfy the admission requirement?P(X > 925) = %Enter your answer as a percent accurate to 1 decimal place (do not enter the "%" sign). Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
The combined SAT scores for the students at a local high school are normally distributed with a mean of 1547 and a standard deviation of 291. The local college includes a minimum score of 820 in its admission requirements. What percentage of students from this school earn scores that satisfy the admission requirement? P(X > 820) = Enter your answer as a percent accurate to 1 decimal place (do not enter the "%" sign). Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted. Question Help: M Message instructor
th A scientist studying babies born prematurely would like to obtain an estimate for the mean birth weight, µ, of babies born during the 24"" week of the gestation period. She plans to select a random sample of birth weights of such babies and use the mean of the sample to estimate u. Assuming that the population of th birth weights of babies born during the 24"" week has a standard deviation of 2.6 pounds, what is the minimum sample size needed for the scientist to be 95% confident that her estimate is within 0.5 pounds of µ? Carry your intermediate computations to at least three decimal places. Write your answer as a whole number (and make sure that it is the minimum whole number that satisfies the requirements). (If necessary, consult a list of formulas.) Continue Submit As
The combined SAT scores for the students at a local high school are normally distributed with a mean of 1452 and a standard deviation of 290. The local college includes a minimum score of 1249 in its admission requirements.What percentage of students from this school earn scores that satisfy the admission requirement?P(X > 1249) = %Enter your answer as a percent accurate to 1 decimal place (do not enter the "%" sign). Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
The data represent individual observations on bath concentration from a chemical process. The target value is 10 and the process standard deviation is given as o = 0.8. (a) Use k = 0.5 and h =5, built a tabular CUSUM to quickly detect a shift of about lo in the process mean. Based on the tabular CUSUM, please conclude whether the process has a mean shift using h=5. If the process has a mean shift, please indicate at which sample this mean shift started.
The combined SAT scores for the students at a local high school are normally distributed with a mean of 1528 and a standard deviation of 305. The local college includes a minimum score of 1711 in its admission requirements. What percentage of students from this school earn scores that satisfy the admission requirement? P(x > 1711) = 0.3 Enter your answer as a percent accurate to 1 decimal place (do not enter the "" sign). Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted. Submit Question P Type here to search 13 ts 17 米 IOI 10 esc @ 2# $ & 3. 7 8. W E R T tab A D G H J caps lock C B N shift T 出

On final examination, the mean was 72 and the standard deviation was 15. 1)Determine the standard scores (z-values) of students receiving the grade of 65. 2) Students receiving the grade of 85 3) Probability that a student will score greater than 75 4) Probability that a student will score lower than 65 5) Find the corresponding standard score of -0.50 and corresponding score of 1.
A population has a mean p= 160 and a standard deviation o=22. Find the mean and standard deviation of the sampling distribution of sample means with sample size n= 45. The mean is H- = |, and the standard deviation is o- = (Round to three decimal places as needed.)
The combined SAT scores for the students at a local high school are normally distributed with a mean of 1524 and a standard deviation of 305. The local college includes a minimum score of 1555 in its admission requirements. What percentage of students from this school earn scores that fail to satisfy the admission requirement? P(X < 1555) = % Enter your answer as a percent accurate to 1 decimal place (do not enter the "%" sign). Answers obtained using exact z- scores or z-scores rounded to 3 decimal places are accepted.
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The combined SAT scores for the students at a local high school are normally distributed with a mean of 1491 and a standard deviation of 299. The local college includes a minimum score of 1940 in its admission requirements. What percentage of students from this school earn scores that fail to satisfy the admission requirement? P(X < 1940) = Enter your answer as a percent accurate to 1 decimal place (do not enter the "%" sign). Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.

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