A population has a mean of 1398.25and standard deviation of246.85 14The middle interval that captures 95% of the means from samples of size 68 is,a1351.041445.46b1348.031448.47c1344.821451.68d1341.411455.09

Answered: Image /qna-images/answer/f457bd9d-e083-4960-b0c6-fca1cb40778d.jpg

Answered: 45.46 b 1348.03 1448.47 c 1344.82…

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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A distance is measured six times. The observed values are 572.182 m, 572.140 m, 572.103 m, 572.160 m, 572.125 m, and 572.155 m. All measurements are uncorrelated and their standard deviations are 0.030 m, 0.030 m, 0.030 m, 0.020 m, 0.020 m, and 0.010 m, respectively. Find the least squares estimate for the distance. Use matrices and R in the solution. Write the R commands involved.
Assume the data set described is normally distributed with the given mean and standard deviation, and with n total values. Find the approximate number of data values that will fall in the given range. Mean-8 Standard deviation-1.5 n-45 Range: 6.5 to 9.5 In this case, we expect about 52 data values to fall between 6.5 and 9.5.
The lifetimes of lightbulbs of a particular type are normally distributed with a mean of 400 hours and a standard deviation of 10 hours. What percentage of the bulbs have lifetimes between 380 hours and 420 hours? 99.7% 95% 68% 84%
Consider a value to be significantly low if its z score less than or equal to - 2 or consider a value to be significantly high if its z score is greater than or equal to 2. A data set lists weights (grams) of a type of coin. Those weights have a mean of 5.62152 g and a standard deviation of 0.05197 g. Identify the weights that are significantly low or significantly high. What weights are significantly low? Select the correct answer below and fill in the answer box(es) to complete your choice. O A. Weights that are greater than . (Round to five decimal places as needed.) (Round to five decimal places as needed.) B. Weights that are less than C. Weights that are between and. (Round to five decimal places as needed. Use ascending order.)
A successful basketball player has a height of 6 feet 11 inches, or 211 cm. Based on statistics from a data set, his height converts to the z score of 5.17. How many standard deviations is his height above the mean?
An air condition company will spend an average of 64 minutes with a standard deviation of 19 minutes on a service call. Based on this, and assuming a normal distribution, 5% of service calls will take more than how much time to complete? Approximately 66.29 minutes O Approximately 32.75 minutes O Approximately 39.41 minutes O Approximately 95.25 minutes O Approximately 77.23 minutes
The ages of the population of a town are Normally distributed with mean 43 and standard deviation 14. The town has a population of 5,000.How many would you expect to be aged between 22 and 57?
A farm hatches chicken eggs in batches of 15 and there is a 3% infertile rate. Find the standard deviation for the number of infertile eggs per batch. 0.2 O 0.44 0.45 O 0.66 O 43.7
Suppose a set of data has a sample mean of 112 and a sample standard deviation of 8.3. What is the z-score for the value 127.8? Round the z-score to two decimal places. Your Answer:
A standardized test has a mean of 88 and a standard deviation of 12. What is the score at the 90th percentile? a. 103.36 O b. 112.00 O c. 91.00 O d. 90.00
Rhiannon made her first sky dive while in college. Based on a normal distribution with mean 52.8 years and standard deviation 10.3, what must the age of a skydiver be to fall in the bottom 11.12% of the distribution? 38.561 65.368 40.232 33.814
People's oxygen saturation is normally distributed and has a mean measurement of 98.7 and a standard deviation of 1.2. Find the oxygen saturation for P35

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a	1351.04	1445.46
b	1348.03	1448.47
c	1344.82	1451.68
d	1341.41	1455.09

45.46 b 1348.03 1448.47 c 1344.82 1451.68 d 1341.41 1455.09