Consider the following work breakdown structure:Time Estimates (days)Most LikelyActivityPrecedesOptsimisticPessimisticStartA,BC,Dhts445056B.D456075424548314049273639End587082What is the probability that the critical path for this project will be completed within 210 days?Multiple Choice8413500099879772

Answered: Image /qna-images/answer/15860c37-61be-4a18-b190-540473acc7bf.jpg

Answered: Consider the following work breakdown…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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2.165 Reading Skills. Each year the director of the reading programin a school district administers a standard test of reading skills. Thenthe director compares the average score for his district with the national average. Figure 2.20 was presented to the school board in theyear 2013.FIGURE 2.20Average reading scores0246810121416182022Average scoreYear2008 2009 2010 2011 2012 2013District average National averagea. Obtain a truncated version of Fig. 2.20 by sliding a piece of paperover the bottom of the graph so that the bars start at 16.b. Repeat part (a), but have the bars start at 18.c. What misleading impression about the year 2013 scores is givenby the truncated graphs obtained in parts (a) and (b)?
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BMX racing is a sprint sport where races range from around 30 to 45 seconds depending on thelength of the track. Given races are over in such a short time, the start - commonly referred to asgate starts due to everyone lining up on a gate, are critical to success in the sport. A coach with aparticular interest in data analysis coaching an elite athlete records data at a local race track for thetime it takes their athlete to reach the bottom of the starting hill.The coach has found that the hill times for their athlete follow a normal distribution with mean 2.3seconds and standard deviation 0.02 seconds. (a) What hill time distinguishes the slowest 10% of hill times? (b) What is the probability that a randomly selected hill time is less than 2.27 seconds? (c) Let X be the number of hill times that are less than 2.27 seconds from 10 separate starts. Assuming the athlete is well rested between starts, what distribution might you consider X to follow. Justify your response by…
.A new, miracle diabetes drug that diminishes major symptoms of diabetes has been approved by the FDA. Health care professionals and researchers believe that the new drug will prolong lifespan of diabetes patients. If the population is in steady state and the incidence is constant, what will the effect of this new drug be on the prevalence of diabetes in the population? Explain.
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te A ock enter Part 2 eturn A group of friends start a walking program. The chart below shows each members self- reported walking time in May and June of 2021. alt ntrol hift optio Minutes Walking in May 2021 Minutes walking in June 2021 Person YOU 650 300 400 250 C 500 600 600 500 350 900 700 550 500 650 550 200 800 100 900 350 Answer the following questions based on this data. Be sure to show all of your work for each question. 2. By what percent did YOU exceed or fall below the mean in May 2021? Express your answer rounded to the nearest hundredth. UDE FGH
The following table gives profits (in ten thousands of shillings) of two supermarkets over a duration of one year. Determine which supermarket has a greater variability of its profits.
16 In 1970, the U.S. Armed Services instituted a lottery as a random selection process when 19- year old males were drafted into service. Each of the possible 366 possible birth dates was placed in a separate capsule and each capsule was placed in a large plastic drum. Those with the lowest lottery numbers were drafted before others. For example, the May 9th was 176. This meant that there would be 175 groups of males born on other days drafted before those who had been born on May 9th. The scatter plot below shows the median draft eligible number for each month of the year. The line that connects the points is sometimes called a median trace line. Which one of the following statement is TRUE? * Median Trace of Draft Lottery Numbers 240 220- 200- 180- 160 140 120 100 F M. A Median Draft Number to
Part 2. Complete the following statements. A) The cumulative enrolment is the ________ of the enrolment of the intervals smaller than the interval in question or equal to the latter. The graph of cumulative enrolment is represented by a function in ___________. B) The average, median and mode are three measures of _________ ____________. C) The term ________ refers to any data that deviates disproportionately from others. D) When the residual values are zero, then the correlation is called _________
S An employee at Coconino Community College (CCC) is evaluated based on goal setting and accomplishments toward the goals, job effectiveness, competencies, and CCC core values. The categories, ratings, and weights for a particular employee are shown in this table. Weight % 2 Category Competency 1 Competency 2 Competency 3 Competency 4 Competency 5 Goal 1 Goal 2 Job Effectiveness Core Values Rating 3 2 4 2 4 4 4 3 2 433 3 20 2282 22 20 23 Compute a weighted average score for this employee. Round your answers to two decimal places. Average score for this employee:
17. Module 1Spring 2022 StatCX W Chapter 102 Homework - Spring X A webassign.net/web/Student/Assignment-Responses/last?dep=28720443 The increasing annual cost (including tuition, room, board, books, and fees) to attend college has been widely discussed (Time.com). The following random samples show the annual cost of attending private and public colleges. Data are in thousands of dollars. Private Colleges Public Colleges 52.8 43.2 45.0 33.3 44.0 20.3 22.0 28.2 15.6 24.1 28.5 31.6 46.8 38.8 50.5 43.0 22.8 25.8 18.5 25.6 14.4 21.8 (a) Compute the sample mean (in thousand dollars) and sample standard deviation (in thousand dollars) for private colleges. (Round the standard deviation to two decimal places.) sample mean %24 thousand sample standard deviation thousand Compute the sample mean (in thousand dollars) and sample standard deviation (in thousand dollars) for public colleges. (Round the standard deviation to two decimal places.) sample mean thousand sample standard deviation $…

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