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Describe the steps for testing a hypothesis that people are more likely to keep watching a movie if they have already invested money to obtain the movie. I am taking Stats for a doctoral degree and I don't even know where to begin to answer this question!
Give an example for each of the following distributions, binomial, hypergeometric, and Poisson. Explain the differences and different characteristics.
Suppose that a study based on a sample from a targeted population shows that people at a pizza restaurant are hungrier than people at a coffee shop. make an interference based on the results of the study.
A pollster calls 500 randomly selected people and all 500 respond to her first question. Because the subjects agreed to respond, is the sample a voluntary response sample?
A paper manufacturer has a production process that operates continuously throughout an entire production shift. The paper is expected to have a mean length of 11 inches, and the standard deviation of the length is 0.02 inches.
What will be measurable data in this case and (assume a survey will be conducted and or data can be obtain). What will be at least two independent variables and one dependent variable. (and assuming they are consistent with the collected data)
The analysis of variances produces df between = 3 and df within = 24. For this analysis, determine df total ?
An auto manufacturer advertises that "90% of the cars we've ever made are still on the road." Assuming this is literally true, how can it be explained? What facts/statistics would you need to know to expose this misleading claim?
A recent national study showed that approximately 30% of college students binge-drink. Let x equal the number of students in a random sample size of n=12 who binge drink. Find the probability that
Household income does not tend to follow a normal distribution in a particular state, yet average income is approximately $45,000/year in this state, with a standard deviation of about $9000.
Estimate a test statistic for null hypothesis H0: μ = 30 against two-sided alternative hypothesis H1 : μ ≠ 30, and by plotting this on its reference distribution.
Consider the following portion of an electric circuit with three relays. Current will flow from point A to point B if there is at least one closed path when the relays are activated. The relays may malfunction and not close when activated.
Determine odds student gets more than 14 questions correct? Determine the odds student gets exactly 12 questions correct?
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