The geyser Old Faithful in Yellowstone National Park alternates periods of eruption, which typically last from 1.5 to 4 minutes, with periods of dormancy, whichare considerably longer. The following table presents the durations, in minutes, of 30 dormancy periods that occurred during a recent year.9199 99 83 9986 9096 88938886 92101907110397 82 916196661059090116 598989 (a) Construct a frequency distribution using a class width of 5, and using 55 as the lower class limit for the first class.Dormancy Period FrequencyX3'I'''''''

Solution-: Given: Class width =5 and use 55 as the lower class limit for the first class We want to…

Answered: The geyser Old Faithful in Yellowstone…

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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Use the central limit theorem to find the mean and standard error of the mean of the indicated sampling distribution. Then sketch a graph of the sampling distribution. The per capita consumption of red meat by people in a country in a recent year was normally distributed, with a mean of 100 pounds and a standard deviation of 38.6 pounds. Random samples of size 20 are drawn from this population and the mean of each sample is determined. ux= o-x= graph=
Use the central limit theorem to find the mean and standard error of the mean of the indicated sampling distribution. Then sketch a graph of the sampling distribution. The per capita consumption of red meat by people in a country in a recent year was normally distributed, with a mean of 107 pounds and a standard deviation of 37.8 pounds. Random samples of size 19 are drawn from this population and the mean of each sample is determined. μx=nothing
The company "TRAMAD" is conducting a study on the variation of the prices of its shares, listed on the Santiago Stock Exchange. For this purpose, it takes a sample of prices corresponding to the last 30 working days. The value indicated is the one that has been registered at the closing time of the operations: 450 540 280 440 350 720 400 190 410 700 600 500 250 780 290 580 320 220 320 660 300 360 320 605 180 300 210 520 290 420 a) Make a frequency table. b) TRAMAD estimates that your situation is not alarming if the percentage of days in which prices were less than or equal to $400 is less than 30%. What do you say Is this company's situation alarming or not? Explain. c) Calculate the mean and standard deviation. d) Calculate and interpret the quartile 1.
Use the central limit theorem to find the mean and standard error of the mean of the indicated sampling distribution. Then sketch a graph of the sampling distribution. The per capita consumption of red meat by people in a country in a recent year was normally distributed, with a mean of 116 pounds and a standard deviation of 38.3. pounds. Random samples of size 20 are drawn from this population and the mean of each sample is determined. μx=____
A Chi square distribution with 9° of freedom is graphed below. The region under the curve to the right of x2-0.15 is shaded. The area of this region is 0.15.
Use the central limit theorem to find the mean and standard error of the mean of the indicated sampling distribution. Then sketch a graph of the sampling distribution. The per capita consumption of red meat by people in a country in a recent year was normally distributed, with a mean of 113 pounds and a standard deviation of 37.7 pounds. Random samples of size 20 are drawn from this population and the mean of each sample is determined.
Let x be a random variable that represents the weight of a lion in a certain region of Africa. Assume that x is normally distributed with a mean = 260 lbs . With standard deviation =30 lb Please include the graphs for questions A and B
Use the central limit theorem to find the mean and standard error of the mean of the indicated sampling distribution. Then sketch a graph of the sampling distribution. The per capita consumption of red meat by people in a country in a recent year was normally distributed, with a mean of 109pounds and a standard deviation of 37.9 pounds. Random samples of size 19 are drawn from this population and the mean of each sample is determined. μx= σx=
9% of a population has a disease. 800 are randomly selected . What is the mean of people with the disease in such groups of 800 rounded to the third decimal place?
Suppose that the number of accidents occuring in an industrial plant is described by a Poisson distribution with an average of 0.1 accidents per month. Find the probability that no accidents will occur in the coming month, P(X=0). (Correct to three decimal places).
The frequency distribution shown in Figure 4.18 lists the annual salaries of the managers at Universal Manufacturing of Melonville. Construct a histrogram to represent the data. X= salary (in thousands) $30<x<40 40<x<50 50<x<60 60<x<70 70<x<80 80<x<90 Number of Managers: 6, 12, 10, 5, 7, 3
Draw the appropriate graph corresponding to the frequency distribution in question tumor size f rel.f cf 4 3 0.25 12 3 2 0.17 9 2 2 0.17 7 1 5 0.42 5 n=15

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