8. The thickness of photoresist applied to wafers in semiconductor manufacturing at a particular locationon the wafer is uniformly distributed between 0.2050 and 0.2150 micrometers.la) Determine the cumulative distribution function of photoresist thickness.(b) Determine the proportion of wafers that exceeds 0.2125 micrometers in photoresistthickness.(c) What thickness is exceeded by 10% of the wafers?(d) Determine the mean and variance of photoresist thickness.

Answered: Image /qna-images/answer/dddde235-adb0-4334-b686-6223b5260e41.jpg

Answered: 8. The thickness of photoresist applied…

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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Five pipes labelled, "6 metres in length", were delivered to a building site. The contractor measured each pipe to check its length (in metres) and recorded the following; 1. 5.96, 5.95, 6.02, 5.95, 5.99. (a) (i) Find the mean of the contractor's measurements. (ii) Calculate the percentage error between the mean and the stated, approximate length of 6 metres. (b) Calculate v3.87 -8.733, giving your answer (i) correct to the nearest integer, (11) in the form a×10, where 1sa<10, ke Z.
Listed below are the overhead widths (cm) of seals measured from photographs and weights (kg) of the seals. Find the regression equation, letting the overhead width be the predictor (x) variable. Find the best predicted weight of a seal if the overhead width measured from a photograph is 1.8 cm, using the regression equation. Can the prediction be correct? If not, what is wrong? Use a significance level of 0.05. Overhead Width (cm) 7.3 7.4 9.8 9.5 8.8 8.5 Weight (kg) 152 187 286 247 237 231 The regression equation is y =+ (x. (Round the y-intercept to the nearest integer as needed. Round the slope to one decimal place as needed.)
Wire rope has many applications, especially in hoisting and suspension.The fatigue limit, measured in MPa, of wire rope was collected for 15specimens each from three different manufacturers of similar wire ropediameters, as follows.(Image)a. Compare mean fatigue limits of the three manufacturers. Do the same for medianfatigue limits. What do each suggest about the choice of manufacturer? If the twomeasures of central tendency suggest different choices, what does the differencesuggest?b. Construct boxplots for each manufacturer using the built-in function in Excel. Whatextra information do you now have relative to part a? What conclusion do you drawabout the difference in manufacturers with this extra information?
In a fabric manufacturing factory, the quality control process using control charts from SPC. In an hour there are a total of 5 samples are taken each having 5 observations regarding the thickness of fabric in measured in millimeters. In a particular hour, the sample means (X-bar) are noted to be: 172.11, 219.58, 208.24, 112.44, and 123.30 respectively. In the same sample, the corresponding ranges are: 13.17, 13.38, 15.34, 13.04, and 13.02 respectively What are the lower and upper control limits for the X-bar chart? O a. 157.21, 177.05 O b. 146.01, 157.87 Oc. 159.25, 175.02 O d. None is correct O e. 142.92, 160.66 Of. 143.55, 165.47
Assuming that mean annual temperature uniformly distributed between 100C and 180C, calculate the average annual mean temperature.
3. The fill volume of an automated filling machine used for filling cans of carbonated beverage isnormally distributed. Suppose that the mean of the filling operation can be adjusted easily, but thestandard deviation remains at 0.4 fluid ounce.a. At what value should the mean be set so that 99.9% of all cans exceed 12 fluid ounces?b. At what value should the mean be set so that 99.9% of all cans exceed 12 fluid ounces if thestandard deviation can be reduced to 0.09 fluid ounce?
In a fabric manufacturing factory, the quality control process using control charts from SPC. In an hour there are a total of 5 samples are taken each having 4 observations regarding the thickness of fabric in measured in millimeters. In a particular hour, the sample means (X-bar) are noted to be: 156.46, 199.62, 189.31, 102.22, and112.09 respectively. In the same sample, the corresponding ranges are: 11.97, 12.17, 13.94, 11.86, and 11.83 respectively. What are the lower and upper control limits for the X-bar chart? O a. 145.40, 190.72 O b. 143.55, 165.47 144.77, 159.11 O d. 156.55, 170.47 O e. 142.92, 160.96 Of. None is correct US PAGE NEXT PAGE
Average monthly wages (per employee) in 4 sectors of an economy are as follows: industry: 2000 dinars, building: 2200 dinars, agriculture: 1500 dinars, services: 1800 dinars. Number of people employed in the four sectors are 5 million, 2 million, 6 million, and 2 million, respectively. Using the concept of harmonic mean compute the average monthly wages in the economy under consideration.
Use e the 1.5x IQR rule to find the lower and upper limits for determining suspected outliers. (Enter your answer rounded go there decimal places.) lower value: upper value:
For a certain type of computers, the length of time between charges of the battery is normally distributed with a mean of 50 hours and a standard deviation of 15 hours. Write down the function, draw bell-shaped curve & calculate the: a)Area between 50 and 70 hours. b)Area above 40 hours. c)X value that has 28% area above it. d)X value that has 60% area below it.
7. Ecological Applications study on the development following wildfires in the Pacific Northwest. One variable of interest to the researcher was tree diameter at breast height 110 years after the fire. The population of Douglas fir trees was shown to have an approximately normal distribution with mean tree diameter ? = 50 centimeters (cm) and ? = 14 cm. Find the diameter, d, such that 20.9% of the Douglas fir trees in the population have diameters that exceed d. published a of forests

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