The sugar content in a one-cup serving of a certain breakfast cereal was measured for a sample of 140 servings. The average was 11.9 g and the standard deviation was 1.1 g. Find a 95% confidence interval for the mean sugar content. 
 Find a 99% confidence interval for the mean sugar content. 
 What is the confidence level of the interval (11.81, 11.99)? 
 How large a sample is needed so that a 95% confidence interval specifies the mean to within ±0.1? 
 How large a sample is needed so that a 99% confidence interval specifies the mean to within ±0.1? 
 Find a 95% upper confidence bound for the mean 
sugar content. 
 The claim is made that the mean sugar content is 
greater than 11.7 g. With what level of confidence can this statement be made?

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Integrated Solid Waste Management

Integrated Solid Waste Management (ISWM) is a thorough waste suppression, compost, removal and recycling Program. An effective ISWM system considers how to suppress, manage and recycle solid waste in a manner that is most efficiently to protect human health and the surrounding. ISWM system requires evaluation of public wants and demands and then selecting and merging the most effective waste management activities for the proposed demands. The main ISWM activities for solid waste management are Waste prevention, Recycling and Composting, and Combustion and Removal and waste collection in a properly planned, constructed, managed and mitigated landfill areas. Each of these requires careful designing, financing, accumulation, and delivery of activities.