Given the following flow shop problem. Draw the schedule that minimizes the sum of weighted tardiness (min Ej=1W;T¡): di Jobs Py M1 M2 1 3 6 2 1 4 9 1 4
Q: Classify the following scores in class-intervals 0–9, 10–19,.., 40--49 and calculate the variance of...
A: Given data 24,12,37,49,30,6,28,10,13,18,12,19,2,3,4,25,22,16,29,0,21,23,31,21,34,20,27,23,35sample s...
Q: The sample correlation coefficient between X and Y is 0.375. It has been found out that the p-value ...
A: Given : Sample correlation between X and Y = 0.375 p-value = 0.256 when testing Ho: p = 0 agains...
Q: A computer while calculating the correlation coefficient between two variates X and Y obtained the f...
A:
Q: QUESTION 5 For this binomial distribution, what is the standard deviation for the number of successe...
A: Standard deviation of Binomial distribution is given by σ=√np(1-p)
Q: Example 17-21. Show that X = 2 X¡ / n, in random sampling from i= 1 %3D exp (-x/θ , 0 < x < ~ f(x, 0...
A:
Q: You wish to test the following claim (Ha) at a significance level of a = 0.05.
A: From given data, Significance level,
Q: The correlation coefficient between the variables X and Y is r 0.60. If o, = 1.50, 8, = 2.00, X = 10...
A:
Q: Determine the area under the standard normal curve that lies between z = -2.04 and z = 2.04 5. ...
A: Area between Z= -2.04 and Z= 2.04 = (area left of Z=2.04)-(area left of Z= -2.04) = (see the Z-stan...
Q: When do we use frequency distribution?
A: We need to use the concept of frequency distribution to answer question.
Q: A candidate is selected for interview for three posts. For the first post there were 3 candidates, f...
A:
Q: You wish to test the following claim (Ha) at a significance level of a = 0.001. H,:P = Pr Ha:pi > p2...
A: There are two independent samples which are two populations. We have to test whether the first popul...
Q: The lines of regression of y on x and x on y are, respectively, y = x + 5 and 16x - 9y = 94. %3D Fin...
A: Solution is given:
Q: 4. If X and Y are independent RVs, then O2+ ,(@) = ¢,(@) × ¢,(@)
A:
Q: Two populations have means μ0 = 9 and μ1 = 10.15, and they both have a standard deviation of σ = 3.0...
A: Given , μ0 = 9 and μ1 = 10.15 standard deviation σ = 3.003 n = 25 α = 0.05.
Q: Given that the population of the US was 151 million, 216 million, and 281 million in 1950, 1975, and...
A:
Q: A pharmaceutical company wants to estimate the mean life of a particular drug under typical weather ...
A:
Q: Use the grouped data formulas to find the indicated mean or standard deviation. For the following da...
A: Given data is Height (in inches) Frequency 50 - 52 5 53 - 55 8 56 - 58 12 59 - 61 13 62...
Q: e average incidence is 2 per million people. What is the probability that a city of 1 million people...
A: By using Poisson distribution:
Q: Number of defective 2 3 oven toaster (x) P(x) 0.08 0.16 0.28 0.27 0.15 0.06
A: we have given number of defective (x) ,p(x) we have to compute mean variance and SD of defective ove...
Q: In many fast food restaurants, there is a strong correlation between a menu item's fat content (meas...
A: Just find the Regression Line at first....
Q: 4.3. If overdispersion is present in a generalized linear model, then the variance estimates from th...
A: Note: As per the guidelines, in case of multiple questions, answer to only first question will be pr...
Q: Part One Katie recorded the length, in inches, of the ribbon pieces she was going to use for a proje...
A: A line plot displays the data using a no. line.
Q: ABC Company has poor accounting system and has difficulty in their inventory of products sold every ...
A:
Q: Suppose the jewelry of exams has a population that is normally distributed with standard deviation o...
A:
Q: . In a trivariate distribution. o, = 3, o, = 4, 0, = 5 r, = 0.4, r,, = 0.6 r,, = 0.7 %3D Determine t...
A: The regression line has more than one independent variable then it is known as multiple linear regre...
Q: Two samples are taken with the following numbers of successes and sample sizes T = 38 rz = 39 T - 81...
A:
Q: Read carefully the problem and give what are asked. In your Statistics and Probability class, you an...
A: Probability distribution provide the distribution of probability over the range of interval. The exp...
Q: John was assigned the task of investigating the error in payments for routine purchases made by the ...
A:
Q: 3.16 SAT scores: SAT scores (out of 2400) are distributed normally with a mean of 1520 and a standar...
A:
Q: Directions. The problem given is about parameter of interest and confidence level. Assure to include...
A: An interval estimate is a range of values that could possibly include the population parameter betwe...
Q: Young's modulus is a quantitative measure of stiffness of an elastic material. Suppose that for alum...
A: The mean is 70 and the standard deviation is 1.6.
Q: LEARNING ACTIVITY Đirections: Classifyeach random variable as discrete or continuous. 1. X-number of...
A: Since you have asked multiple questions, we will solve the first question for you. If you want any q...
Q: Obtain the five-number summary for the given data. The normal annual precipitation (in inches) is gi...
A: Use EXCEL Procedure to obtain the value of first quartile. Follow the instruction to obtain the va...
Q: Assume that the speed of automobiles on an expressway during rush hour is normally distributed with ...
A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively. Thus...
Q: ollowing data represents the age (in years) of South African passengers on a flight to Australia. A...
A: Given data, Class Lower Upper Midpoint (M i) Frequency (fi ) Mi *fi 1-13 1 13 7 7 49 14-26 14...
Q: You wish to test the following claim (H.) at a significance level of a = 0.001. H,: = 2 You believe ...
A: a. Denote μ1, μ2 as the population means for 1st and 2nd populations, respectively.
Q: In a simple regression problem, r and B may have opposite signs. O must have the same sign. O must h...
A: We know that, in a simple regression problem, r = correlation coefficient B = slope
Q: Two major lottery games, Mega Millions and Powerball serve as de facto national lotteries. Which lot...
A: Note: As per guidelines we will only answer the first three subparts, please repost other subparts f...
Q: QUESTION 1 What is the Variance for the following discrete probability distribution? P(X) 0.14 0.71 ...
A: Formula : variance :
Q: Activity 3: 1. Find the mean of the probability distribution of the random variable X, which can tak...
A: given,probability distribution of the random variable X; X 1 2 3 P(X) 1033 13 1233
Q: If {X(t)} is a WSS process with mean u and autocovariance function || for 0 <|미STo C(T) = To 022/2|1...
A:
Q: 3.7 LA weather, Part I: The average daily high temperature in June in LA is 77'F with a standard dev...
A:
Q: A researcher hypothesized that children's cholesterol levels may be affected by educating their pare...
A: The attached image
Q: 21. Given: n = 80, X = 76.5, s = 3.1. Which of these is the point estimate of the population mean? a...
A:
Q: An experiment was run to determine whether four specific firing temperatures affect the density of a...
A: Introduction: It is required to test whether the different firing temperatures affect the density.
Q: QUESTION 13 Calculate the skew using this sample data 35, 4, 27, 44, 42, 10
A:
Q: With the following data in 6 cities, calculate the coefficient of correlation by Pearson's method be...
A: Solution is given:
Q: Assume that the distribution of X iS N(u, 10.89). Find the sample size so that we are 99% confident ...
A: It is given that Margin of error E = 0.5 Population SD = 10.89 Level of confidence = 99% The critica...
Q: How many numbers greater than three hundred can you make out of the numbers 4, 3 and 2 (without repl...
A: We need to find that, how many numbers greater than 300 can be made out of the numbers 4, 3 and 2 (w...
Q: 1. The average length of night (sunset to sunrise) in Manila is said to be 12.2 hours. A group of st...
A: Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for y...
2
Step by step
Solved in 2 steps
- The MAD for the forecast developed using a weighted 2-year moving average with weights of 0.350.35 and 0.650.65 is what?Consider the following service system. a) The average inter-arrival time is 10 minutes, and the standard deviation of the inter-arrival time is 10 minutes. b) The average processing time is 5 minutes with the standard deviation of the processing time being 6 minutes. What is the Demand of the process in [customers/minute]? What is the Flow rate of the process in [customers/minute]?The attached data contains Part Quality data of three suppliers. At = 0.05, does Part Quality depend on Supplier, or should the cheapest Supplier be chosen?
- Kaitlyn measures the upload speed in megabits per second of her home broadband internet connection during peak hours and off-peak hours. The results are provided in the accompanying table. Peak Off-Peak 5.83 5.14 6.05 6.80 7.14 6.98 3.54 5.77 5.45 7.27 5.90 6.62 5.81 6.19 4.82 6.08 6.37 6.59 4.65 5.58 5.30 7.41 6.48 6.26 5.96 6.37 5.79 6.31 6.84 6.55 5.06 4.95 5.61 7.03 6.45 6.77 Examine the results of Kaitlyn's test to determine the statements that compare the medians and interquartile ranges of the data sets to each other in terms of this situation. Select the two correct answers. The median upload speed during peak hours is 5.905 megabits per second, which is less than the median upload speed during off-peak hours, 7.005 megabits per second. The upload speeds during peak hours are slower on average compared to off-peak times. The median upload speed during peak hours is 6.37 megabits per second, which is greater than the median upload speed during…In a particularly small region in the Philippines, the consumer price index C depends onA product is designed to have length of 14cm+/0.12cm. the output of the manufacturing process is identified to be centered at 14.0.042cm and the standard deviation is estimated at 0.014cm. determine the capability of the system Cp
- Indicate whether each of the following quality characteristics is a continuous, binary, or count variable. a) The number of flaws in a plate glass window. b) The length of time taken to perform a final inspection of a finished product. c) Whether the breaking strength of a bolt meets a specification. d) The diameter of a rivet head.A mining company finds that daily lost-work injuries averages to 1.2. If the local union contract has a clause requiring that the mine be shut down as soon as three workers incur lost-work injuries, on what percentage of the days will the mine be operational throughout the day?(a) Calculate a 95% two-sided CI for the true average bond strength. (b) Calculate a 95% two-sided CI for the proportion of all such bonds whosestrength values would exceed 10. show major intermediate steps.
- The problem is based on the following data given. Observations of the demand for a certain part stocked at a parts supply depot during the calendar year 2013 were ( as shown ). What would an MA(1) forecasting method mean? Compare the accuracy of MA(1) and MA(4) forecasts for July through December 2013.a sample of 4 students was taken and information about daily pocket money in tl (Y) and spending in tl (x) was collectedSuppose you are allowed to choose any weights as long as they sum to 1. Could you always find a set of weights that would make the MSE smaller for a weighted moving average than for an unweighted moving average? Why or why not?