With the help of following data, estimate the future population of town in the year 2050 using: 1. Arithmetic Increase Method 2. Geometric Increase Method 3. Incremental increase method
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- The distribution of the amount of gravel (in tons) sold by a particular construction supply company in a given week is a continuous random variable X with probability density function as shown. (a) How do you use this to find the probability that X is less than .25? (b) What about the probability that X is greater than .75? (c) What aboutP(.25 < X < .75)?Why do you square 2 and not 2000? And use COS to find the answer?Flood damage in any year is given according to the following table. With your combined knowledge on probability and engineering economics, what is the present worth of flood damage for a ten year period? use 6% as the effective annual interest rate. Damage Probability 0 0.75 10,000 0.20 20,000 0.04 30,000 0.01
- Assuming a standard normal distribution ( Table 19.11 ), what percentage of the data falls between −1.5 s to 1.5 s?1- The recent population of a city is 30000 inhabitant. What is the predicted population after 30 years if the population increases 4000 in 5 years. 2- The recent population of a city is 30000 inhabitant. What is the predicted population after 30 years if the growth rate is 3.5%. 3- The population of a town as per the senses records are given below, estimate the population of the town as on 2040 by all methods.A contractor owns three excavators of different capacity. He/she wants to dispatch these excavators into three different jobs. The performance of the excavators is measured as the time consumed to perform each job. The data of the time tests are shown as given in the table below. Excavator Job time (hour) Job1 Job2 Job3 1549 2 4 10 8 3 10 6 3 (b) Formulate a mathematical model to obtain the minimum time.
- Given Data: total population of District Peshawar in 2017= 4269079 which include, Urban = 1970042 and rural = 2299037 Average annual growth rate is 3.99 from 1998 to 2017. Use 8 percent growth rate for Urban population alone. Question: Calculate the future population of the District Peshawar in 2030. Use the formula P f = P i *(1+r) t Calculate the future urban population of Peshawar in 2030. Use the formula given above. Please solve it step wiselyDevelop a logic network for the sequence of activities listed in the table. Calculate the ES, EF, LS and LF times for all activities. What is the project duration? What are the critical activities? Activity Duration PIB 5 4 None 10 2 None 15 4 5 20 3 5 25 5 10 30 1 15 35 3 25 40 7 20, 30, 35The probability in percent of a 150 year return period not to occur within the next 45 years is?
- Q1. Develop statistical model to predict number of trips using regression analysis technique. Number of workers (X) Number of trips(Y) 2 6 4 8 7 10 7 113 decimal places Potholes on a highway can be a serious problem, and are in constant need of repair. With a particular type of terrain and make of concrete, past experience suggests that there are, on the average, 3 potholes per mile after a certain amount of usage. It is assumed that the Poisson process applies to the random variable “number of potholes.” a.What is the probability that no more than two potholes will appear in a section of 1 mile? b.What is the probability that no more than 4 potholes will occur in a given section of 5 miles?Show complete solution. Put your final answers in a box and should be on the third place value after the decimal point In the Given Rectangular Dam, determine the magnitude of the resultant R and where it intersects the base AB