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Find the 90% confidence interval of the true mean.
A study of 415 kindergarten students showed that they have seen on average 5000 hours of television. If the sample standard deviation of the sample was $630, and the sample size was 50. Find the 90% confidence interval of the true mean. If a day-care center were starting up and wanted to keep tuition low, what would be a reasonable amount to charge?
To test this notion, eight paid volunteers were placed (individually) in a room in which there was no light from the outside and no clocks or other indications of time.
Given that P (A) = 0.7, P (B) = 0.5, and P (A B) = 0.8. Find the following probabilities:
When combining probabilities, to find the probability of one event AND another event, the separate probabilities should be:
If one person is selected at random, what is the probability that person is Female?
Which of the following would produce a new confidence interval with smaller width based on these same data and produce a new confidence interval
What are the best-case and worst-case outcomes the owner may face on this product if she implements your suggestion?
The average number of putts per hole for each player and their average driving distance is used to predict their total winnings using the multiple regression model where the deviations εI are assumed to be independent and Normally distributed with..
Standard deviation was increased to 40, determine the overall effect on their society? Would this change be a good thing?
Conduct post hoc comparisons with the LSD method. Which groups differ significantly at α = 0.05?
In this forum post provide your results also elucidate what they mean in context of your favorite channel. To find 95 percent confidence interval for given data.
LPP using the graphical method. Solveout the following linear programming problem utilizing the corner point method.
At.01 significance level, is there difference in mean number of times men and women order take-out dinners in month? Determine the p -value?
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