A computer system administrator notices that computers running a particular operatingsystem seem to freeze up more often as the installation of the operating system ages. Shemeasures the time (in minutes) before freeze-up for seven computers one month afterinstallation, and for nine computers seven months after installation. The results are asfollows:One month after 207.4233.1215.9install:235.1225.6244.4245.3Seven months84.3 53.2 127.3after install:201.3174.2246.2149.4 156.4 103.3Find a 95% confidence interval for the mean difference in time to freeze-up between thefirst month and the seventh.

Given Information and calculation for mean and variance is shown below

Answered: A computer system administrator notices…

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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York Region's population, P, is projected to grow until 2031 based on a growth rate of 2.9 % per year. The initial population in the year 1996 was 610,000 people. What is the projected population of York Region in the year 2025 assuming the same rate of population growth? *
4 / 4 100% 17. Multiply and simplify if possible: V2x' •V10x
There are initially 340 cells present in a colony of bacteria. This strain of bacteria grows by 22% every 3.5 hours. Assuming that this growth continues in this man- ner, determine the following. How many bacteria cells will be present in the colony after 24 hours? How long will it take for the colony to reach 5000 bacteria cells? Round each response to the nearest whole number. bacteria cells hours.
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You put n = 20 rats in a cage that is in a room with a 65-degree temperature. The next day you put them in a cage with a 70-degree temperature. On the final day of the study you put them in a cage with a 75-degree temperature. For each of the three days, you measure how many minutes of each hour they spent running on their exercise wheel. To compare the time they spent running on the wheel between the three different days (in other words, between the three different temperatures of 65, 70, and 75 degrees), what kind of hypothesis test should you do? One-Factor, Independent-Measures ANOVA One-Factor, Repeated-Measures ANOVA Correlation/Regression Chi-Square Goodness of Fit
India has average precipitation of 1083 mm per year. On a random week in India, what is the expected rainfall as measured in inches per week? Use your E(aX+b) formula, and the fact that 1 mm is equal to 0.0393701 inches, and there are 52.1429 weeks in a year. (Round your answers to two decimal places; ex: 1.23). The United Arab Emirates has average precipitation of 78 mm per year. On a random week in United Arab Emirates, what is the expected rainfall as measured in inches per week? Use your E(aX) formula, and the fact that 1 mm is equal to 0.0393701 inches, and there are 52.1429 weeks in a year. (Round your answers to two decimal places; ex: 1.23). Panama has average precipitation of 2928 mm per year. On a random week in Panama, what is the expected rainfall as measured in inches per week? Use your E(aX+b) formula, and the fact that 1 mm is equal to 0.0393701 inches, and there are 52.1429 weeks in a year. (Round your answers to two decimal places; ex: 1.23). The United States…

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