The nicotine content in cigarettes

The nicotine content in cigarettes of a certain brand is normally distributed with mean (in milligrams) μ and standard
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2. asked by Clay
3. 1,198 views
A random sample of 8 cigarettes of a certain brand has an average nicotine content of 2.6 milligram and standard deviation of
1. 1 answer
2. 105 views
. A random sample of 9 cigarettes has an average nicotine content of 2.5 milligram with a standard deviation of 0.8 milligram.
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2. 56 views
A random sample of 8 cigarettes of a certain brand has an average nicotine content of 2.6 milligram and standard deviation of
1. 1 answer
2. 65 views
/ A random sample of 8 cigarettes of a certain brand has an average nicotine content of 2.6 milligram and standard deviation of
1. 1 answer
2. 52 views
A random sample of 8 cigarettes of a certain brand has an average nicotine content of 2.6 milligram and standard deviation of
1. 1 answer
2. 54 views
How large a sample would be needed to form a 90% confidence interval for the mean nicotine content of a brand of cigarettes if
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2. asked by Alex
3. 456 views
A random sample of 8 cigarettes of a certain brand has an average nicotine content of 4.2 milligram and a standard deviation of
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2. 47 views
A random sample of 8 cigarettes of a certain brand has an average nicotine content of 4.2 milligram and a standard deviation of
1. 1 answer
2. 38 views
Why is smokeless tobacco considered a dangerous alternative to cigarettes?It eliminates nicotine, but delivers more tar instead.
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2. 43 views