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The union for a particular industry has determined that the standard deviation of the daily wages of its workers is $22. A random sample of 100 workers in this industry has a mean daily wage of $124. Find a 95% confidence interval for the true mean daily wage of all union workers in the industry.Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place.
What is the lower limit of the 95% confidence interval?What is the upper limit of the 95% confidence interval?Could you please enclosed spreadsheet for future problems?
The negotiation will end successfully? After 4 hours? After 8 hours? How does the precentage likelihood of a successful negotiation change over the course of time?
A random sample of five accidents resulted in the following number of persons injured: 18, 15, 12, 19, & 21. Using the .01 significance level, can we conclude the population mean is less than 20 for all accidents?
Evaluate the multiple regression model between quantity sold (Y) and following explanatory variables: average price of deep-dish pizzas, monthly advertising expenditures, and disposable income per household in areas surrounding outlets.
Find the zeros of the function in terms of e, f, and g. Under what condition would the zeros of the given function be two distinct real values?
The KW water is provided to approximately 750,000 people, who are served through more than 362,000 accounts. All accounts are metered and billed monthly.
If a member of the sales force submits an entertainment expense (dinner cost for four) of $190, should this expense be considered unusually high (and possibly worthy of investigation by the company)?
Compute the expected number of barrels that will be sol on Saturday. (Answer to Whole numbers)
In a random sample of 150 sports cars, 60 failed emissions on the first pass. Is there sufficient evidence to indicate that the percentage of first failure for sports cars is higher than the percentage for all passenger cars?
In a particular region of Cape Cod, it is known that lobstermen trap on average of 32 pounds of lobster per day with a standard deviation of four pounds.
In a survey about soft drinks it was found that 5% of the respondents like diet soft drinks. 12% of them liked the brand Coke. Of all the Diet soda drinkers 40% liked Coke.
When using SPSS to perform a 2 independent sample t-test, the P-Value was .136...with alpha set to .05. I have to decide to accept or reject the null hypothesis.
A standard deviation of 8 minutes before they could see doctor. Give the 99% confidence interval for average waiting time for all of patients who visit doctor.
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