A manufacturer of front light for automobiles tests lamps under a high humidity, high temperatuUseful life...Satifactory UnsatifactorySatisfactory1153IntensityUnsatifactory102re environment using intensity and useful life as the responses of interest. The following table shows the performance of 130 lamps:(a) Find the probability that a randomly selected lamp will yield unsatisfactory results under any criteria. Round your answer tothree decimal places (e.g. 98.765). Blank 1(b) The customers for these lamps demand 95% satisfactory results. Can the lamp manufacturer meet this demand? Yes or No?Blank 2Blank 1 Add your answerBlank 2Add your answer

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Answered: A manufacturer of front light for…

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 following data represent the results from the specific gravity (S.G.) test performed in a soil laboratory including forty samples of sand. Construct "greater than" cumulative frequency distribution and ogive, find the number of samples have S.G. of 2.70 or more? Choose the correct :answer Specific Number of Gravity 2.30-2.39 2.40-2.49 2.50-2.59 2.60-2.69 2.70-2.79 2.80-2.89 Samples 2 4 6 12 14 2 (20-22) O (8-10) O (30-32) O (15-17) O (34-36) O
S2. Assume that x₁,...,10 € R satisfy ₁₁ = 3 and ΣΩ1x? standard deviation of ₁,... , X10? i=1 i=1 (This question appeared as is in May 2018 exam) = 10. What is the sample
Suppose that all the students registered to the probability and statistics course have to buy textbook. The 28 % of all students demand a new book, on the other hand the other 72 % want a used text book. Consider randomly selecting 40 purchasers.a. What are the mean value and standard deviation of the number who want a new copy of thebook?b. What is the probability that the number who want brand-new books is more than 1.5σ awayfrom the mean value?c. The bookstore has 30 new and 30 used textbooks in stock. If 40 people come in one by one topurchase this text, what is the probability that all 40 will get the type of book they want fromcurrent stock? [Hint: Let X = the number who want a new copy. For what values of X will all 40get what they want?]
4.3 Assume that x is normally distributed. At a fixed operating setting, the pressure in a line downstream of a reciprocating compressor is known to maintain a mean value of 12.0 bar with a standard deviation of 1.0 bar based on its history. What is the probability that the line pressure will exceed 13.0 bar during any measurement? 4.4 Consider the toss of 4.
R5
Consider the following frequency table consisting of the number of attempts (x) it took a sample of drivers to pass their driving test: s² 1 f 3 S = X Calculate the variance and standard deviation using the computational formula. 0.00 2 2 0.00 3 2 4 6 Round to two decimal places if necessary
The average yearly consumption of water per person in Lebanon is 120 liters with a standard deviation o. Suppose that the yearly consumption of water follow a normal distribution. Find o if the probability that the Lebanese people need more than 200 liters per year is equal to 0.2296. 64.9 O None of these O 108.1 O 87.72
3. Marginal, Conditional and Joint Probability: You are on the St. Malo (Gulf of Mexico) reservoir subsurface development team and you have just collected data from a new well. You need to understand the relationship between acoustic impedance and porosity to improve your predictions of porosity from seismic. You built a joint frequency table for porosity and acoustic impedance as follows: Porosity (%) 12.5 12 000 10.0 12 320 7.5 0353 1 2 2 4 2 1 3 1 2 10 30 50 70 90 Acoustic Impedance (kg/m2s*10^3) a) Calculate the joint probability table Porosity (%) 5.0 0 2.5 0 12.5 10.0 7.5 5.0 2.5 10 30 50 70 90 Acoustic Impedance (kg/m2s*10^3) b) Calculate the conditional probability for porosity given acoustic impedance of 70 kg/m²s*10³. P(Porosity Al = 70) 2.5 5.0 7.5 10.0 12.5 Porosity (%)
The lifetime of a certain residential air conditioner is normally distributed with a mean of 20 years and a standard deviation of 2 years. Find the probability that if one of these air conditioners is randomly selected, it will last between 19 years and 19.5 years. DII 00.093 O 0.401 00.309 00.290 O None of these Submit Question 4 R V F4 % 5 T G F5 6 Y H N F6 & 7 J 8 M PrtScn K O Home 9 End 0 F10 P
In one town, the number of burglaries in a week has a mean 28. Let X denote the number of burglaries in the town in a day. Find the standard deviation of X O a 5.2915 O b. 28 Od 2
Suppose that delivery cars arrive randomly at a restaurant with an exponentially distributed inter-arrival times with a mean of 0.1 hours. It is given that it takes a restaurant employee 4 minutes - on average to prepare the order with a standard deviation of 2 minutes Spe that delivery drivers are paid $10 per hour. Calculate the average cost per hour of driverS waiting for their orders to be prepared. Select one: O A. 8.33 O B. 8.25 O C. 12.50 O D. None O E. 8 Next page

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