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Suppose a regional computer centre A wants to evaluate the performance of its disk memory system. One measure of performance is the average time between failures of its disk drive. To estimate this value, the centre recorded the time between failures for a random sample of 45 disk-drive failures. The following sample statistics were computed:
BAR x =1768 hours, s = 213 hours
i. Estimate the true mean time between failures with a 90% confidence interval.
ii. If the disk memory system is running properly, the true mean time between failures will exceed 1700 hours. Based on the interval in part (i), what can you infer about the disk memory system?
In pseudocode and in C code, declare a 1-dimensional array of Integers called InternetHits that will hold up to 10 Integer values representing the number of hits a Web site receives.
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A text file students.txt contains student records (name, date of birth, and GPA). Write a program that reads student records from students.txt and creates an array of student structures
What do the following loops print? Work out the answer by tracing the code, not by using the computer. a. int s = 1; for (int n = 1; n
However, the customer details maintenance application crashed as Dwayne mistakenly entered the wrong file path. Therefore, he asks Elina to modify the application so that it does not crash due to similar errors. Modify the code that Elina needs to ..
Write an app that uses string method CompareTo to compare two strings input by the user. Output whether the first string is less than, equal to or greater than the second
Write a small program to simulate a raffle (a gambling game) for a group with 100 members. You can simply identify each member with a no-duplicated ID numbers from 01 to 100. A number ticket with a positive 4-digits integer number will be randomly cr..
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