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Get Full Access to Statistics For Engineers And Scientists - 4 Edition - Chapter 2.5 - Problem 17e
Get Full Access to Statistics For Engineers And Scientists - 4 Edition - Chapter 2.5 - Problem 17e

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# The article “Abyssal Peridotites > 3800 Ma from Southern

ISBN: 9780073401331 38

## Solution for problem 17E Chapter 2.5

Statistics for Engineers and Scientists | 4th Edition

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Problem 17E

Problem 17E

The article “Abyssal Peridotites > 3800 Ma from Southern West Greenland: Field Relationships. Petrography, Geochronology, Whole-Rock and Mineral Chemistry of Dunite and Harzburgite Inclusions in the Itsaq Gneiss Complex” (C. Friend. V. Bennett, and A. Nutman, Contrib Mineral Petrol, 2002:71-92) describes the chemical compositions of certain minerals in the early Archaean mantle. For a certain type of olivine assembly, the silicon dioxide (SiO2) content (in weight percent) in a randomly chosen rock has mean 40.25 and standard deviation 0.36.

a. Find the mean and standard deviation of the sample mean SiO2 content in a random sample of 10 rocks.

b. How many rocks must be sampled so that the standard deviation of the sample mean SiO2 content is 0.05?

Step-by-Step Solution:

Step 1 of 3:

Given, the silicon dioxide content (in weight percent) in a randomly chosen rock has mean 40.25 and standard deviation 0.36.

Step 2 of 3

Step 3 of 3

##### ISBN: 9780073401331

Since the solution to 17E from 2.5 chapter was answered, more than 519 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Statistics for Engineers and Scientists , edition: 4. The full step-by-step solution to problem: 17E from chapter: 2.5 was answered by , our top Statistics solution expert on 06/28/17, 11:15AM. This full solution covers the following key subjects: mean, sio, standard, sample, content. This expansive textbook survival guide covers 153 chapters, and 2440 solutions. The answer to “The article “Abyssal Peridotites > 3800 Ma from Southern West Greenland: Field Relationships. Petrography, Geochronology, Whole-Rock and Mineral Chemistry of Dunite and Harzburgite Inclusions in the Itsaq Gneiss Complex” (C. Friend. V. Bennett, and A. Nutman, Contrib Mineral Petrol, 2002:71-92) describes the chemical compositions of certain minerals in the early Archaean mantle. For a certain type of olivine assembly, the silicon dioxide (SiO2) content (in weight percent) in a randomly chosen rock has mean 40.25 and standard deviation 0.36.a. Find the mean and standard deviation of the sample mean SiO2 content in a random sample of 10 rocks.________________b. How many rocks must be sampled so that the standard deviation of the sample mean SiO2 content is 0.05?” is broken down into a number of easy to follow steps, and 117 words. Statistics for Engineers and Scientists was written by and is associated to the ISBN: 9780073401331.

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The article “Abyssal Peridotites > 3800 Ma from Southern