1. In any polyphase system, the value of the angular interval between each phase is 120 degrees Must add to 180 degrees depends on the phase to phase voltage depends on the number of phases in the system.
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- #6- show all work psyc statsSec4.3:#43Suppose that the local newspaper reported that Millerville and Big Lake both had 50 murders last year. However, 5 years ago, Millersville had 42 murders and Big Lake had just 29. Calculate the absolute change and the perchance for each city over the five years. Could the newspaper make the claim that crime had gone up by the same amount in each city? Explain
- Prices of diamonds are determined by what is known as the 4 Cs: cut, clarity, color, and carat weight. The prices of diamonds go up as the carat weight increases, but the increase is not smooth. For example, the difference between the size of a 0.99-carat diamond and a 1-carat diamond is undetectable to the naked human eye, but the price of a 1-carat diamond tends to be much higher than the price of a 0.99 diamond. In this question, we use two random samples of diamonds, 0.99 carats and 1 carat, each sample of size 23, and compare the average prices of the diamonds. In order to be able to compare equivalent units, we first divide the price for each diamond by 100 times its weight in carats. That is, for a 0.99-carat diamond, we divide the price by 99. For a 1 carat diamond, we divide the price by 100. The distributions and some sample statistics are shown below I have attached the questions and the chart in the images section. Thank youb Use a calculator to find the val X Quiz: Quiz 3 (week 4) + -> canvas.uoregon.edu/courses/193460/quizzes/251708/take FSA Apply for Financial... Dashboard Mail - Leo Zhao -... 0 Log In O User Login O Dashboard > ZOOM There's also a button marked ln Inx or LN or 2. Use a calculator to find the values. Give at least four decimal places. a) In(3.2) b) In (3 · 2) c) In (3?) d) [In(3)]² +As a detective, you are tasked to solve the case handed over to you by your senior officer: A dead body was found inside an abandoned car where the temperature was at a constant value of 70 degrees Fahrenheit. At the time the body was discovered, the temperature was measured to be 85 degrees Fahrenheit. An hour later, the temperature of the body was again measured and found out to be 80 degrees Fahrenheit. Assume that the time of death corresponds to t = O and the body temperature was 98.6 degrees Fahrenheit. Determine how many hours have passed before the body was discovered.
- Each row represents an experimental “run” (in this case, averaged sample of mango wine). Column A shows the run number; Column B shows the percentage of ethanol; Column C shows the amount of glycerol (in g/L); Column D shows the amount of acid (in g/L); Column E shows the temperature of the run (in °C); and Column F shows the pH of the run. Y represents Ethanol of mango wine. 1. Create a scatterplot of the ethanol data for all 20 runs a. Draw a graphical representation of the model that you chose to use. b. Comparing the model to your data, evaluate its fit in one or two sentences. (Not sure what this question is getting at. I've provided all the information given) c. Replace the generic Yi = β0 + ε with the information you have here. Please help. I have no idea what this even means or where to start. HERE is the attached dataset to start with; a b c d e f Run Ethanol Glycerol Acidity Temp pH 1 4.8 3.5 0.84 24 3.8 2 9.6…iv. SVx Inx dxSheila's doctor is concerned that she may suffer from gestational diabetes (high blood glucose levels during pregnancy). There is variation both in the actual glucose level and in the blood test that measures the level. A patient is classified as having gestational diabetes if her glucose level is above 155 milligrams per deciliter (mg/dl) one hour after a sugary drink. Sheila's measured glucose level one hour after the sugary drink varies according to the Normal distribution with μ = 140 mg/dl and σ = 11 mg/dl.Let X = Sheila's measured glucose level one hour after a sugary drink(a) P(X > 155) = (Use 3 decimal places)Suppose measurements are made on 3 separate days and the mean result is compared with the criterion 155 mg/dl.(b) P(X > 155) = (Use 3 decimal places)(c) What sample mean blood glucose level is higher than 95% of all other sample mean blood glucose levels? Hint: this requires a backward Normal calculation. (Use 2 decimal places)
- The number of phone calls between two cities, N, during a given time period varies the directly as the populations p1 and p2 of the two cities and inversely as the distance, d, between them. If 36,000 calls are made between two cities 310 miles apart and the populations of the cities are 31,000 and a 180,000, how many calls are made between two cities with populations of 80,000 and a 150,000 that are 485 miles apart?The number of long distance phone calls between two cities in a certain time period varies jointly as the populations of the cities, p1 and p2, and inversely as the distance between them. If 70,000 calls are made between two cities 450 miles apart, with populations of 110,000 and 70,000, how many calls are made between cities with populations of 115,000 and 95,000 that are 300 miles apart?Suppose c and d vary inversely, and d = 2 when c = 17.