The average zinc concentration recovered from a sample of measurements taken in 36 different locations in a found to be 2.6 grams per milliliter. Assume that the population standard deviation is 0.5 gram per milliliter. At 90\96 confidence interval level for the mean zinc concentration in the river, how large a sample is required that estimate of p differs from µ by less than 0.04? a) 36 b) 257 C) 423 d) 21 e) 11431 Teave blank
The average zinc concentration recovered from a sample of measurements taken in 36 different locations in a found to be 2.6 grams per milliliter. Assume that the population standard deviation is 0.5 gram per milliliter. At 90\96 confidence interval level for the mean zinc concentration in the river, how large a sample is required that estimate of p differs from µ by less than 0.04? a) 36 b) 257 C) 423 d) 21 e) 11431 Teave blank
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\96 confidence interval level for the mean zinc concentration in the river, how large a sample is required that our
estimate of u differs fromu by less than 0.04?
a)
36
b)
257
C)
423
d)
21
e)
11431
Leave blank
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