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1.Fifty percent of the people that get mail-order catalogs order something. Find the probability that exactly two of 8 people getting these catalogs will order something.
Consider the hypothesis test given by Ho: p=0.5 H1: p less than 0.5 In a random sample of 100 subjects, the sample proportion is found to be p = 45 .0ˆ?
The makers of Compute-All know that in the past, 40% of their sales were from people under 30 years old, 45% of their sales were from people who are between 30 and 50 years old, and 15% of their sales were from people who are over 50 years old...
Find a 95 percent confidence interval for the proportion of all digital camera customers who have purchased the new warranty. Are we 95 percent confident that this proportion exceeds .20?
Explain what type of data you would use to estimate the model - time series, cross-section, or panel data and Identify the dependent variable and the independent variables
A department store manager has decided that dress code is necessary for team coherence. Team members are required to wear wither blue shirts or red shirts. There are 9 men and 7 women in the team. On a particular day, 5 men wore blue shirts and 4 oth..
Sixty baseball scores from recent games played by the San Francisco (SF) Giants were recorded. The histogram below represents the 60 differences between the score of the SF Giants and their opponents. Each difference was computed by subtracting the o..
A political debate between two politicians. One claims that the average income of all American workers is $74,802; the others say that American workers, on average make only $62,149. Is it possible for both these politicians to be correct? If so, exp..
1. Briefly describe your area of research interest (1-3 sentences is sufficient).2. List 4 variables that you might assess in a research project related to your research area. List one for each type of measurement scale: Nominal, ordinal, interval, a..
In publishing the results of some research work, the following values of the coefficient of determination were listed. Which one would appear to be incorrect?
What statistical test should be used to analyze these data - How can internal and external validity be increased in an experiment and briefly describe the type of information that should be in an introduction.
Find the correlation between ANCA and the clinical manifestations - Please describe which tests you used and write a short narration to explain the results.
A manufacturer of electronics kits has found
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