9) Steel rods are manufactured with a mean length of 25 centimeters (cm). Because of variability in themanufacturing process, the lengths of the rods are approximately normally distributed, with astandard deviation of 0.07 cm.What proportion of rods has a length less than 24.9 cm?b.C.d.25Any rods that are shorter than 24.85 cm or longer than 25.15 cm are discarded.What proportion of rods will be discarded?Using the results of part (b), if 5,000 rods are manufactured in a day, how manyshould the plant manager expect to discard?If an order comes in for 10,000 steel rods, how many rods should the plantmanager manufacture if the order states that all rods must be between 24.9 cm and 25.1 cm?

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Answered: Steel rods are manufactured with a mean…

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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Similar questions

Of the data sets below, which has the largest standard deviation?Set A: 1, 2, 3, 4Set B: 1, 1, 4, 7Set C: 0, 5, 5, 10Set D: 6, 6, 6, 6 Set A Set B Set C Set D
Find the sample standard deviation
A truck is loaded with cartons of eggs that weigh an average of 1.8 pounds each with a standard deviation of 0.2 pound. A histogram of these weights appears mound-shaped and symmetric. What proportion of the cartons weigh less than 1.4 pounds? Select one: a. 5% b. 2.5% C. 95% d. 68%
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 241.2-cm and a standard deviation of 0.6-cm.Find P22, which is the length separating the shortest 22% rods from the longest 78%.P22 =
A 1 6. Height (om) 2 179 3 174 4 156 171 6. 170 7 165 8. 170 157 10 155 11 157 12 177 13 172 14 154 15 155 16 158 17 170 18 174 19 170 20 154 21 172 22 164 23 173 24 164 25 172 26 173 27 150 28 150 29 160 30 150 31 166
A developmental psychologist is interested in studying how long babies gaze at a photograph of a human face. To test this question, she shows a picture to a sample of six babies and records the length of their gaze in seconds. The data are as follows: 12, 17, 18, 20, 20, 29. Calculate the mean, median, mode, range, variance and standard deviation for the sample.
Define measure of dispersion and their types. Find the Absolute Quartile Deviation for the following data. 024, 384, 591, 407, 672, 522, 777, 733, 1490, 2488
The histogram (click the attacthed photo to view) shows the distribution of hurricanes that have hit a country from 1851 through 2015, where 1 is the weakest level and 5 is the strongest level. A) The mean is? B) The variance is? C)The standard deviation is?
What provides a measure of the variance caused by random, unsystematic differences? a. the error term b. the F ratio c. MS d. SStotal
The mean and standard deviation of a population are 300 and 75, respectively. Sample size is 49. What is the standard error of the sampling distribution?
. In a county male height is normally distributed with a mean of 177 cm and astandard deviation of 6 cm. What percentage of males have a height between 170cm and 182 cm.
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

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