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A researcher conducts a research study comparing two treatment conditions and obtains 30 scores in each treatment. If the researcher used a repeated-measures design, then how many individuals participated in the research study?
Is it reasonable to conclude that the distribution is normally distributed with a mean of $10 and a standard deviation of $2? Use the .05 significance level.
Find out optimal assignment and calculate total minimum cost.
Find the mean and the standard deviation of the sampling distribution of x bar, and find an interval containing 95.44 percent of all possible sample mean returns.
Determine the proportion of homes that have a pool. At the .05 significance level, can we conclude that less than 40 percent of the homes sold in the Denver area had a pool? What is the p-value?
What is the probability that more than 585 of this year's entering class of 1807 will drop out during or at the end of their first year?
At the .01 significance level, can the manufacturer conclude that the price reduction resulted in an increase in sales?
Need to come up with a regression model to forecast monthly sales of cold beverages for the next year. What variables might be included in the model?
P(A 1 )= .20, P(A 2 ), and P(A 3 )= .40. P(B 1 I A 1 ) = .25. P(B 1 I A 2 ) = .05. P(B 1 I A 3 )=.10. Use Bayes' theorem to determine P(A 3 I B 1 )
The probability distribution for the possible results of an experiment is given, Determine the mean of the distribution.
Two servers with lambda 1 & lambda 2 service times exponentially distributed. Pat waits in a line to get served by any of the two servers. What is the waiting time of pat if no one is on the line?
A random sample of n=31 households is asked the number of TV sets in the household. The responses are-What is the mean number of TVs?
At a 5% level of significance, is there enough evidence from this survey to conclude that more than half of all adults would rather have $100 than a day off?
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