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According to AccuData Media Research 36% of televisons within the chicago city limits are tuned to eyewitness news at 5pm on sunday nights. At 5pm on a given sunday 2500 such tv are randomly selected and checked to determine what is being watch. Would it be unusual to find that 954 of the 2500 tvs are tuned to eyewitness news?
The dean of the Western College of Business must plan the school's course offerings for the fall semester. Students demands make it necessary to offer at least 30 undergraduate and 20 graduate courses in the term. Faculty contract also dictate tha..
Can you please help me develop a research question using gender and another categorical variable associated to adhd that could be address using the chi-square method?
Need guidance on how to approach a statistics paper. Problem: utilize statistics to solve a business related problem. The synopsis should include a discussion of the specific problem, the research methodology used, the quantitative and qualitative..
If 3 different factor levels show a lot of variation between levels this implies:
A study of elephants is conducted to determine the average weight of a certain subspecies of elephants. The standard deviation for the population is 500 pounds.
What is the probability of getting the first questions correct and miss the fourth with five possible answers to each question?
Quality control engineer has been checking output by almost continuous sampling as abnormal condition began. Determine the probability that in sample of 10 pieces.
Let 3 trails (they may not be independent), each of which is either success or not. Let X denotes number of successes. Assume E[X] = 1.8. Determine the largest possible value of P(X=3)?
Test a hypothesis to see if this proportion has changed since 1985. I have the standard error and a t-score of 1.660. I need the test effect, test statistic and p-values.
What sampling method did you use? Construct a 95% confidence interval for the true population proportion of the SUV's. What sample size would be needed to ensure an error of +/- 0.025 with 95% confidence?
Test at 5% and 1% whether the molder is operating satisfactorily.
The mean and variance of the total amount of money that is collected from a car that crosses the bridge are:
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