Home Internet Access In a recent year, a study found that 78% of adults ages 18-29 had internet access at home. A researcher wanted to estimate theproportion of undergraduate college students (18-29 years) with access, so she randomly sampled 188 undergraduates and found that 161 had access.Estimate the true proportion with 99% confidence. Round intermediate answers to five decimal places. Round your final answer to one decimal place.0%

Formula for confidence intervalCI = p̂ + z( np^(1−p^))Wherep̂ =sample proportionz = critical…

Answered: Home Internet Access In a recent year,…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Given: N=3,000, n1=200, c1=10, r1=14, n2=300, c2=20, r2=21. Write the formula of the probability of acceptance. If a certain lot with 2.0 % non-conforming, what is the probability of rejecting the lot during the second sampling?
A work sampling study of dockworkers must be set up. There will be a large number of random observations. However, for this exercise, determine an observation schedule (arranged chronologically) for six observations. Assume workers are on the docks for eight hours a day, and that the study will be done over a 60-day period. Use the random digits listed below. Day Hour 81 22 53 94 95 96 17 28 39 70 61 12 43 04 25 86 27 28 19 1 3 03 19 25 7O 81 93 02 18 27 33 44 53 05 10 28 33 41 53 66 6. 7 3 5 4 3 4 7 7 1 2 5 8 Minute
Please do not rely too much on chatgpt, because its answer may be wrong. Please consider it carefully and give your own answer. You can borrow ideas from gpt, but please do not believe its answer.Very very grateful!Please do not rely too much on chatgpt, because its answer may be wrong. Please consider it carefully and give your own answer. You can borrow ideas from gpt, but please do not believe its answer.Very very grateful!
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4. In a study to estimate the proportion of residents in a certain city and its suburbs who favor the construction of a nuclear power plant, it is found that 450 of 1000 urban residents favor the construction while only 240 of 800 suburban residents are in favor. (a) Is there a significant difference between the proportion of urban and suburban residents who favor construction of the nuclear power plant? Test with p-value at a = 0.05. (b) Construct a 95% confidence interval for the difference of favor proportions between urban residents and suburban residents and test if there is a significant difference between the proportion of urban and suburban residents who favor construction of the nuclear power plant. (You need to explain how you make the conclusion). (c) By using critical region(s) test if there is a significant difference between the proportion of urban and suburban residents who favor construction of the nuclear power plant. |
In a study analyzed by the Statistics Consulting Center at Mutah University, a group of subjects was asked to complete a certain task on the computer. The response measured was the time to completion. The purpose of the experiment was to test a set of facilitation tools developed by the Department of Computer Science at the university. There were 10 subjects involved. With a random assignment, five were given a standard procedure using Fortran language for completion of the task. The other five were asked to do the task with the use of the facilitation tools. The data on the completion times for the task are given here. Group 1 Group 2 (Standard Procedure) (Facilitation Tool) 161 169 174 158 163 132 162 134 138 133 Assuming that the population distributions are normal and variances are the same for the two groups, support or refute the conjecture that the facilitation tools increase the speed with which the task can be accomplished.
Use the following information to answer multiple-choice Questions 1 to 10. An engineer develops a new product. Having made the product, he/she has three choices. He/she can either manufacture the product or allow someone else to make it and be paid on a royalty basis, or alternatively, he/she can sell the rights to receive a lump sum. I. The profit that can be expected depends on the level of sales with the corresponding probabilities, shown in the table QI below, in thousands of £'s. High Sales. (Probability=0.2) 160 Medium Sales. Low Sales. (Probability=0.3) -40 Manufacture 80 Take Royalties Sell all rights 100 60 20 40 40 40 Тable QI 1. Using the Maximax decision criterion, the best decision is: a) Manufacture b) Take Royalties c) Sell all rights d) Manufacture, because it produces the highest average profit among the three options 2. Using the Maximin decision criterion, the best decision is: a) Manufacture b) Take Royalties c) Sell all rights d) Sell all rights, because its lowest…
Answer letters B, C, D. Please use the values on the table
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