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A random sample of 90 printers discovered that 25 of them were being used in small businesses. Find the 95% limit for the population proportion of printers that are used in small buisnesses.
Determine probability that number of boats constructed next month will be between 4 and 7 (both inclusive).
Calculate expected value for each decision and choose the best one. Find out how much firm would be eager to pay to a market research firm to gain better information about future market conditions.
Multiple choice question using Forecasting techniques. Which among of the following models are best suited to forecast a time series with a stable seasonality component.
Income Trevor is interested in purchasing the local hardware/sporting goods store in the small town of Dove Creek, Montana.
The sample data are summarized by the statistics n = 27, x = 4.6 years, s- 1.9 years.
Infer that the difference in the level of satisfaction with service between the two branches.
Research on new juvenile delinquents revealed that 38% of them committed another crime. What is the probability that 40 or fewer of the delinquents will commit another crime?
Do the data indicate a significant difference between the frequency distributions for male and females? Test at the .05 level of significance and describe the difference.
Chi-square tests are great to show if distributions differ or if two variables interact in producing outcomes. What are some examples of variables that you might want to check using the chi-square tests? What would these results tell you?
Find the probability of exactly 6 Mexican-Americans among 12 jurors.
For a binomial probability experiment, with n=150 and p=.2, it is appropriate to use the normal approximation to the binomial distribution.
Explain the independent variable, covariate, and levels (groups) of eah. Also, explain the dependent variable and its associated measurement scale and expected outcome.
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