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In 2004, Newsmonth reported that 60% of young children have blood lead levels that could impair their neurological development. Assuming that a class in a school is a random sample from the population of all children at risk, the probability that at least 5 children out of 10 in a sample taken from a school may have a blood level that may impair development is:
about 0.786about 0.834about 0.166about 0.812
What are common practices in writing literature reviews to avoid because they are forms of plagiarism? What should be done instead? How would you organize your literature before writing a lit review?
How large a sample would be necessary to estimate the population proportion with a margin of error of 0.05 at 95% confidence?
A recent article in Business Week listed the "Best Small Companies." We are interested in the current results of the companies' sales and earnings.
Introduce some basic library search tools and demonstrate the relevance of statistics (in this case, regression analysis) to your chosen field of study. MS 3043 - Spring 2014 Project
Construct a stem and leaf plot of the income. what do you predict about the shape of the population distribution. complete the following sentence. Fifty percent of the data falls below $ ______.
What sample size must you take to be 96% confident that the results will be within $.75 of the true mean cost per call?
How would you respond if someone told you that the correlation between education level and salary was 1.27?
She wants to be 90% confident and be accurate within 5% of the true proportion. Find out the minimum sample size necessary.
Explain what the coefficient of determination, R^2 (R-squared), measures. How is it related to the sample correlation coefficient?
In optimal solution, determine minimum time needed to complete project?
A property of concern for any food company that uses a high-speed carton-filling machine to package juice is the weight of the food product in the individual cartons.
Make an Excel line graph of the data on computer viruses. Discuss the underlying causes that might explain the trend or pattern.
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