The average zinc concentration recovered from a sample of measurements taken in 36 different locations in a river is found to be 2.6 grams permilliliter. Assume that the population standard deviation is 0.5 gram per milliliter. At the 90\% confidence interval level for the mean zincconcentration in the river, how large a sample is required that our estimate of differs from by less than 0.04? (15,00 Puanlar)8-The average zinc concentration recovered from a sample of measurements taken in 36 different locations in a river is found to be 2.6 grams permilliliter. Assume that the population standard deviation is 0.5 gram per milliliter. At the 901% confidence interval level for the mean zincconcentration in the river, how large a sample is required that our estimate of u differs from j by less than 0.04?a)257b)3680205c)21d)423e)11431Boş bırak

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Description: The average zinc concentration recovered from a sample of measurements taken in 36 different locations in a river is found to be 2.6 grams permilliliter. Assume that the population standard deviation is 0.5 gram per milliliter. At the 90\% confidence

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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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The average zinc concentration recovered from a sample of measurements taken in 36 different locations in a river is found to be 2.6 grams per
milliliter. Assume that the population standard deviation is 0.5 gram per milliliter. At the 90\% confidence interval level for the mean zinc
concentration in the river, how large a sample is required that our estimate of differs from by less than 0.04?

(15,00 Puanlar)
8-
The average zinc concentration recovered from a sample of measurements taken in 36 different locations in a river is found to be 2.6 grams per
milliliter. Assume that the population standard deviation is 0.5 gram per milliliter. At the 901% confidence interval level for the mean zinc
concentration in the river, how large a sample is required that our estimate of u differs from j by less than 0.04?
a)
257
b)
36
80205
c)
21
d)
423
e)
11431
Boş bırak

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