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a brief description of the real-world situation or problem you selected to address, the independent and dependent variables you would study, the statistical null and alternative hypotheses, a description of what information the effect size would tell you that the probability value would not, and your hypothetical results in a few sentences using correct APA format.
A statistics professor plans classes so carefully that the lenths of her class are uniformly distributed between 50.0 and 52.0 minutes. Find the probability that a given class period runs less than 51.5.
In a recent survey 35 percent indicated chocolate was their favorite flavor of ice cream. Suppose we select a sample of 10 people and ask them to name their favorite flavor of ice cream.
The same city are delivered within two days. Six parcels are randomly sent to different locations. What is the probability that all six arrive within two days?
The Internal Revenue Service plans to examine an SRS of individual federal income tax returns from each state. One variable of interest is the proportion of returns claiming itemized deductions.
Alcohol appears to be involved in a variety of birth defects, including low birth weight and retarded growth. A researcher would like to investigate the effect of prenatal alcohol on birth weight.
What is the probability that a randomly chosen package is improperly sealed?
Which probability distribution is suitable when sampling without replacement?
Define the experiment and describe one sample point. Assume that you need to describe only the two jurors chosen and not the order in which they were selected. List the sample space associated with the experiment.
Using the results, describe the effect of an outlier or extreme value on the confidence interval.
On randomly selected day, let X and Y, respectively, be proportions of time that the drive-in and walk-in facilities are in use. Determine the marginal density of X.
A firm plans to hire 100 employees during the year. It expects that 25 of these employees will obtain graduate degrees within the next 5 years of being hired. In addition, 35 employees will leave the firm within 5 years.
What is the probability of the person is 20 to 24 years old.What is the probability of the person is 20 to 34 years old.
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