can someone help with these hw questions? it's not worth a lot of points need help with confidence intervals
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Can someone help with these hw questions? it's not worth a lot of points need help with confidenc...
ATMs must be stocked with enough cash to satisfy customers making withdrawals over an entire weekend. Suppose that a particular branch the population mean amount of money withdrawn from ATMs per customer transaction over the weekend is $160 with a population standard deviation of $30. If a random sample of 36 customer transactions indicates that the sample mean withdrawal amount is $175, is there enough evidence to believe that the population mean withdrawal amount is no longer $160? Use a...
1.) ATMs must be stocked with enough cash to satisfy customers making withdrawals over an entire weekend. Suppose that a particular branch the population mean amount of money withdrawn from ATMs per customer transaction over the weekend is $160 with a population standard deviation of $30. If a random sample of 36 customer transactions indicates that the sample mean withdrawal amount is $175, is there enough evidence to believe that the population mean withdrawal amount is no longer $160? Use...
these are the only questions i have left can someone help me with these questione please An engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots weighing between 130 lb and 171 lb. The new population of pillots has normally duributed weights with a mean of 138 lb and a standard deviation of 25.1 lb. a. If a pilot is randomly selected, find the probability that his weight is between 130 b...
Someone plz plz help with this Statistics Intro to R programming question!!! Here are the examples and follow by my question!! Thank you so much!! I appreciate it !!!!My question!!!! Question Type 1: If possible, calculate the 90% confidence intervals for the temperature it takes for crickets to chirp 15 chirps per second. Code (you must copy and paste your code like below in blue color): # Reading in the data Crickets-read.table(C:/Desktop/CricketChirpsvsTemperature.csv', header TRUE, #View Data View Crickets) #Data analysis...
I need help answering questions 1-3 32,33,35,36 Fitted Line Plot Time = 994.2-0.3930 Year 280 270 260 250 240 230 220 210 200 6.76343 79.3% 784% R-Sq R-Sq(a 1900 1920 19401960 1980 Year y a+bx Question 1 ive the equation for the least squares regression line, and interpret it in context. Question 2: Give the equation for this new line and compare it with the line you found for the whole dataset, commenting on the effect of the outlier Question...
Home Insert Page Layout Formulas Dats Reve ROTECTED VIEW Be careful fFiles from the Internet can contain vinuses. Unless you need to edit, it's saler to stay in Protected View C D Strength 48.5 52.3 53.5 50.5 50.3 49.6 The CEO of Durable Bags Inc. is planning to introduce a new, improved version of the company's trash bag. The new trash bag utilizes a new formula that is being touted as the strongest bag on the market Previously, one of...
10. Write a one-page summary of the attached paper? INTRODUCTION Many problems can develop in activated sludge operation that adversely affect effluent quality with origins in the engineering, hydraulic and microbiological components of the process. The real "heart" of the activated sludge system is the development and maintenance of a mixed microbial culture (activated sludge) that treats wastewater and which can be managed. One definition of a wastewater treatment plant operator is a "bug farmer", one who controls the aeration...