Confidence interval for the mean weight
A study of 35 browns gerbils showed that their average weight was 4.7 ounces. The standard deviation of the population is 0.7 ounces. Which of the following is the 99% confidence interval for the mean weight per brown gerbils?
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In a community with a population of 10,000 people, the prevalence of a certain disease is 5%. A screening test for this disease with a sensitivity of 95% and specificity of 80% is implemented on the entire population. How many TRUE POSITIVE result
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The standard deviation of the population is 0.7 ounces. Which of the following is the 99% confidence interval for the mean weight per brown gerbils?
A company has a total cost of $50.00 per unit at a volume of 100,000 units. The variable cost per unit is $20.00. What would the price be if the company expected a volume of 120,000 units and used a markup of 50%?
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A potato chip manufacturer samples 13 bags of potato chips off the assembly line and weighs their contents. If the sample mean is 14.2 oz. and the sample standard deviation is 0.60 oz., find the 95% confidence interval of the true mean?
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