The level of nitrogen oxides (NOX) in the exhaust of a particular car model varies with mean 0.7 grams per mile and standard deviation 0.17 grams per mile . (a) What sample size is needed so that the standard deviation of the sampling distribution is 0.01 grams per mile ? ANSWER: (b) If a larger sample is considered, the standard deviation for x would be (NOTE: Enter "SMALLER","LARGER" or "THE SAME" without the quotes.)

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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The level of nitrogen oxides (NOX) in the
exhaust of a particular car model varies with mean 0.7
grams per mile and standard deviation 0.17 grams per
mile .
(a) What sample size is needed so that the standard
deviation of the sampling distribution is 0.01 grams per
mile ?
ANSWER:
(b) If a larger sample is considered, the standard
deviation forī would be
(NOTE: Enter '"SMALLER","LARGER" or "THE
SAME" without the quotes.)
Transcribed Image Text:The level of nitrogen oxides (NOX) in the exhaust of a particular car model varies with mean 0.7 grams per mile and standard deviation 0.17 grams per mile . (a) What sample size is needed so that the standard deviation of the sampling distribution is 0.01 grams per mile ? ANSWER: (b) If a larger sample is considered, the standard deviation forī would be (NOTE: Enter '"SMALLER","LARGER" or "THE SAME" without the quotes.)
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