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a sample of 150 adults

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A researcher polled a sample of 1066 adults in the year 2010, asking them how many hours per week they spent on the Internet.
1. 5 answers
2. 8 views
A nationwide study indicated that 27% of adults said that chocolate was their favorite ice cream flavor. A simple random sample
1. 1 answer
2. asked by Megan
3. 769 views
The Intelligence Quotient (IQ) test scores for adults are normally distributed with a mean of 100 and a standard deviation of
1. 2 answers
2. asked by Trev
3. 1,593 views
According to one survey, the mean serum cholesterol level for U.S. adults was 195.1, with a standard deviation of 41.5. A simple
1. 2 answers
2. asked by Tommy
3. 1,231 views
According to a survey 35% of adults are against using animals for research assume that this result holds true for the current
1. 0 answers
2. asked by David
3. 338 views
2. Assume that the population proportion of adults having a college degree is 0.35. A random sample of 200 adults is to be
1. 2 answers
2. asked by Natasha
3. 1,067 views
About 14% of employed adults in the United States held multiple jobs. A random sample of 58 employed adults is chosen.(a) Is it
1. 11 answers
2. 28 views
About 12% of employed adults in the United States held multiple jobs. A random sample of 66 employed adults is chosen.(a) Is it
1. 9 answers
2. 33 views
In a population of 10,000 adults, 20% are smokers. A simple random sample of 600 of the adults is drawn.a)The SE of the number
1. 5 answers
2. asked by tms
3. 700 views
A national survey reported that 30% of adults in a certain country have hypertension (high blood pressure). A sample of 20
1. 1 answer
2. 21 views

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