6) 1 and 2. Please explain it step by step. 6)- Suppose a regional computer center 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 thisvalue, the center recorded the time between failures for a random sample of 45 disk-drive failures.The following sample statistics were computed:= 1,762 hours s = 215 hours1. Estimate the true mean time between failures with a 90% confidence interval.2. If the disk memory system is running properly, the true mean time between failures will exceed1,700 hours. Based on the interval, in part a, what can you infer about the disk memory system?

X = 1,762 hours s 215 hours 1. Estimate the true mean time between failures with a 90% confidence interval. 2. If the disk memory system is running properly, the true mean time between failures will exceed 1,700 hours. Based on the interval, in part a, what can you infer about the disk memory system?

X = 1,762 hours s 215 hours 1. Estimate the true mean time between failures with a 90% confidence interval. 2. If the disk memory system is running properly, the true mean time between failures will exceed 1,700 hours. Based on the interval, in part a, what can you infer about the disk memory system?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

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6) 1 and 2. Please explain it step by step.

6)- Suppose a regional computer center 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 center recorded the time between failures for a random sample of 45 disk-drive failures.
The following sample statistics were computed:
= 1,762 hours s = 215 hours
1. Estimate the true mean time between failures with a 90% confidence interval.
2. If the disk memory system is running properly, the true mean time between failures will exceed
1,700 hours. Based on the interval, in part a, what can you infer about the disk memory system?

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