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An accountant wants to estimate the average amount of an account of a service company. A random sample of 46 accounts yields x‾ = $16.50 and s = $2.20. Give a 95% confidence interval for the average amount of an account.
Statistics and Probability, Statistics
Ralph and Gina attend differed schools, but each have a GPA of 3.2 The GPA's at each score follow a normal distribution. Ralph's school has a mean GPA of 2.7 and a standard deviation of .25. Gina's school has a mean of 3 ...
The owner of the heating and air-conditioning company has two employees that make service calls. He is interested in the number of service calls made per day. The sample standard deviation for employee A is 1.05 calls pe ...
How does wholesale banking differ from retail banking in terms of: (a) product range; (b) client coverage; (c) marketing; (4) risk management; (5) pricing.
You decide to further your research project by hypothesizing that the true average core body temperature amidst higher ambient temperature and humidity levels for the population who do not use electric fans is greater ...
A survey of a group of college students was done to find out how students get to school for the school year. 15% of those surveyed were from out of state. Of those that were in-state, 56% used a car as their primary form ...
Folgers has specified that the average amount of coffee that goes into one of their small coffee cans is not to exceed 13.24 ounces. A quality control inspector for Folgers takes a random sample of 16 cans and found the ...
Approximately once a month cars are shipped from Rotterdam, Holland to Lagos, Nigeria. The past data collection indicates that the weight of a car is normally distributed with the mean of 1,070 kg and the standard devia ...
Introduction to Epidemiology Assignment - Assignment should be typed, with adequate space left between questions. Read the following paper, and answer the questions below: Sundquist K., Qvist J. Johansson SE., Sundquist ...
What is liquidity and why is liquidity important to the success of a business? Give the Reference
Research Scenario: A social psychologist is interested in whether the number of days spent in a refugee camp predicts trauma levels in recently resettled refugees. He interviews 17 refugees to determine how many days the ...
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