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Question: A private opinion poll is engaged by a politician to estimate what proportion of his constituents favor the decriminalization of certain minor narcotics violations. What is the minimum sample size n of the poll that will ensure us to be at least 95% confident that the sample proportion is off by less than 0.02?
the manager of an accounting office at a large hospital was interested in studying the problem of errors in the entry
A researcher wants to create a 99% confidence interval for the population mean. He has a sample of n=120, an x-bar of $340, and a sample standard deviation of $122. What is the margin of error?
The president of a certain university makes three times as much money as one of the department heads. If the total of their salaries is$ 200.000, find each worker's salary
The heights of 10 sixth graders are listed in inches: {54, 62, 54, 57, 60, 61, 53, 63, 59, 56}. Find the mean, median, mode, sample variance, and range.
What is the probability that none can transact business in a foreign language?
If the employees in this outlet has a mean of age as with variance between their ages as. Find the mean and the standard deviation of the age of employees of a fast-food in another outlet (Y).
How do you classify statistical findings in order of power: nominal, ordinal, interval, and ratio? Give example by making up values.
In [0, 1] with Borel σ-algebra B, let µ( A) = 0 for all A ∈ B of first cate- gory and µ( A) = +∞ for all other A ∈ B. Show that µ is a measure, and that if ν is a finite measure on B absolutely continuous with respect to µ, then ν ≡ 0. Hint: See §..
with any statistical model we assess the fit. does the model accurately depict the truth? explain how standard
1. the company believes that it averages about the same weight per bag in each of two production lines. to test this
Identify the independent and dependent variables in the following descriptions of experiments:- Students watched a cartoon either alone or with others and then rated how funny they found the cartoon to be.
Find the probability that both products successfully complete the two-part process.- Find the probability that neither product successfully completes the two-part process.
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