neArchivoEditarVerHistorialFavoritosPerfilesPestañaVentanaAyudaNAWbbhosted.cuny.edu/webapps/assessment/take/launch.jsp?course_assessment_id%3D_2002402_1&course_id%3_2050858_1&content_id%3_6CcionesM GmailYouTubeMapsNoticias G Traduciruestion Completion Status:The amount of water consumed each week by Bronx residences is normally distributed. The population mean of water consumption is 120.3 gallons with astandard deviation of 10.0 gallons. Test the claim at the 0.10 significance level that the average amount of water consumed is not 125 gallons with a samplesize of 100 residences.What is the probability of Z obı?

Given : sample size, n = 100 sample mean, x̄ = 125 population standard…

Answered: stion Completion Status: he amount of…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The mean weight of Sumo wrestlers is 350 pounds with a standard deviation of 25 pounds. Assume the distribution of Sumo wrestler weights is unimodal and symmetric and the Empirical Rule applies. If a Sumo wrestler is randomly selected what is the probability they weigh more than 350 pounds? 50% 97.5% 84% 16%
The weight of items produced by a machine is normally distributed with a mean of 8 ounces and a standard deviation of 2 ounces.Refer to Exhibit 6-5. What is the random variable in this experiment? a. 8 ounces b. Weight of items produced by a machine c. Normal distribution d. 2 ounces
The consumption of processed fruits by people in the U. S. in a recent year was normally distributed with a mean of 218.2 pounds and a standard deviation of 68.1 pounds. A random sample of 40 people is selected. What is the probability that the mean amount of consumption is more than 200 pounds? a. 95.45% b. 62.35% O c. 4.55% d. 78.34%
The average cost per household of owning a brand new car is $5,500. Suppose that we randomly selected 45 households, determine the probability that the sample mean for these 45 households is between $5,250 and 6,000. Assume that the variable is normally distributed and the standard deviation is $1,550. SD of the sample mean (input 4 decimal places)= type your answer... type your answer... z-scores (input 2 decimal places) type your answer... Final answer/Probability (input 2 decimal places type your answer... %
c. Vehicle speeds at a highway location have a normal distribution with mean u = 65 mph and standard deviation o = 5 mph. Find the probability that a randomly selected vehicle speed is greater than 73 mph.
An engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots weighing between 120 o and 161 lb. The new population of pilots has normally distributed weights with a mean of 129 lb and a standard deviation of 27.1 Ib. Click here to view page 1 of the standard normal distribution. Click here to view page 2 of the standard normal distribution. a. If a pilot is randomly selected, find the probability that his weight is between 120 Ib and 161 lb. The probability is approximately (Round to four decimal places as needed.)
An ethanol raikoad tariff is a fee charged for shipments of ethanol on public railroads. An agricultural association publishes tariff rates for railroad-car shipments of ethanol. Assuming that the standard deviation of such tariff rates is $1050, determine the probability that the mean tariff rate of 550 randomly selected railroad-car shipments of ethanol will be within $90 of the mean tariff rate of all railroad-car shipments of ethanol Interpret your answer in terms of sampling error. The probability is D (Round to three decimal places as needed)
The average amount of money spent by an Amazon customer per month is $1296 with standard deviation $110. Assume the variable is normally distributed. Answer the following questions. What is the probability that a random sample of 15 Amazon customers spent an average between $1100 and $1300 in a month?
The mean weight of Sumo wrestlers is 350 pounds with a standard deviation of 25 pounds. Assume the distribution of Sumo wrestler weights is unimodal and symmetric and the Empirical Rule applies. If a Sumo wrestler is randomly selected what is the probability they weigh less than 300 pounds? 50% 84% 16% 2.5%
A bottling company uses a filling machine to fill plastic bottles with a popular cola. The bottles are supposed to contain 200 milliliters (ml). In fact, the contents vary according to a normal distribution with mean of 203 ml and standard deviation of 4 ml.b.) What is the probability that an individual bottle contains less than 200 ml? A. 23.56% B. 22.66% C. 32. 56% D. 45.56%
What is the probability of randomly selecting a z-score less than z = –1.25 from a normal distribution? Question options: a. 0.2112 b. 0.1056 c. 0.8944 d. 0.3944

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