1. The Excel file New Account Processing provides data for a sample of employees in a company. Assume that the company has 125 people in total assigned to new account processing. Find a 95% confidence interval for the total sales of the population of account representatives. 2. It is known that the standard deviation of the lifetime of light bulbs manufactured by a company is 30 hours. How large should the sample size be so that we are 90% confident that the estimated mean lifetime of these light bulbs is no more than ± 3 hours away from the true lifetime?
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The post Assume that the company has 125 people in total assigned to new account processing. Find a 95% confidence interval for the total sales of the population of account representatives. appeared first on UNIFIED PAPERS.
Assume that the company has 125 people in total assigned to new account processing. Find a 95% confidence interval for the total sales of the population of account representatives. was first posted on February 5, 2019 at 8:55 pm.
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