Your answer is partially correct.Please use the accompanying Excel data set or accompanying Text file data set when completing the following exercise.An article in the ASCE Journal of Energy Engineering ("Overview of Reservoir Release Improvements at 20 TVA Dams," Vol. 125, April1999, pp. 1-17) presents data on dissolved oxygen concentration from streams below 20 dams in the Tennessee Valley Authoritysystem. The sample mean from the observations is = 3.272 and the sample standard deviation is s 2.130. Assume population isapproximately normally distributed.Round your answers to 2 decimal places.(a) Calculate the 95% two-sided confidence interval on the mean oxygen concentration.ΣμΣ4.28(Calculate the 95% two-sided prediction interval on the dissolved oxygen concentration for the next stream that will be tested.2.29≤ xn+1 S.7.8456(c) Find an interval that will contain 95% of the values of the dissolved oxygen concentration with 99% confidence.2-1.27-3.68eTextbook and Media20$44#3WESXgeommandD88810.22)MacBook AirF5F6বর%&5678RTYUכCStatistical Tables and ChartsDII4AFBF9F1061О0FGHJKLVBNMVP%comm

Given:sample size n = 20sample mean x̄ = 3.272sample standard deviation s = 2.130 (a) The 95%…

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Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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F2 * Please use the accompanying Excel data set or accompanying Text file data set when completing the following exercise. An article in the ASCE Journal of Energy Engineering ("Overview of Reservoir Release Improvements at 20 TVA Dams," Vol. 125, April 1999, pp. 1-17) presents data on dissolved oxygen concentration from streams below 20 dams in the Tennessee Valley Authority system. The sample mean from the observations is X 3.272 and the sample standard deviation is s = 2.130. Assume population is approximately normally distributed. Round your answers to 2 decimal places. = (a) Calculate the 95% two-sided confidence interval on the mean oxygen concentration. 2.29 i -1.2736 SUS 4.28 (b) Calculate the 95% two-sided prediction interval on the dissolved oxygen concentration for the next stream that will be tested. (i -3.6752 7.8456 (c) Find an interval that will contain 95% of the values of the dissolved oxygen concentration with 99% confidence. @ 3 # 80 F3 000 F4 $ 4 i 10.2472 75 %…
2. a) Explain the terms load factor and diversity factor. b) Discuss the advantages of interconnected grid system. c) A generating station is to supply four regions of load whose peak loads are 10 MW, 5 MW, 8 MW and 7 MW. The diversity factor at the station is 1-5 and the average annual load factor is 60%. Calculate: (i) the maximum demand on the station, (ii) annual energy supplied by the station and (iii) suggest the installed capacity and the number of units.
solve with nice details draw if possible
Electricity Distribution Network - What are the UK power distribution network voltage levels? Why there is the need for a distribution management system in electric power distribution networks? Power System Operation and Control - State three reasons why it is important to maintain the supply frequency within statutory limits for a power system. Power System Operational Issue - Briefly discuss what are the major power quality issues, particularly in power-electronic-interfaced Microgrid systems. New Electricity Demand - Briefly explain the concept of plug-in hybrid electric vehicle technology and its challenges to the power grid. Power System Operational Issue - Briefly explain the concept of Dynamic Network Rating (DNR), and what are the major benefits for electricity distribution networks and distribution network operators (DNOs). Electricity Network Operation with High Penetration Level of Renewables Although wind power is seen as offering many countries the potential to reduce…
27). 2 In the northeastern United States, in which direction does the needle of a magnetic compass point? OEast of geographic north O South of geographic north O North of geographic north West of geographic north 28) Inter-row spacing for a tilted rack array is determined by which factors? O Slope and voltage of modules O Sun angle and tilt of modules O Sun angle and voltage of modules O Rack manufacturer specifications 24) Which type of PV array mounting system is MOST common for a residential application with a sloped, south-facing roof? O Rack mount O Pole mount O Ballasted mount O Standoff mount 30) A specification requires the PV array for a stand-alone PV system to be sized to produce 1.25 times the average daily system load of 80 Ah when the irradiation recelved on the array is 4 peak sun hours. If the selected PV module has STC-rated maximum power current (Imp) of 5 A, how many parallel- connected strings of modules are required? 5 31 Which silicon solar cell manufacturing…
Which of the following statements is true? Select one or more: O a. The availability of a wind power plant consists of three components: serviceability, detectability of faults and repairability. Ob. The availability of wind turbines is typically less than 80%. c. Reliability can be measured, for example, by means of total availability or capacity factor. O d. Total availability is the time the wind turbine has been running in relation to the total time.
Question - Analyse the operating principles, and environmental impact of, existing and advanced renewable technologies.

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