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Question Probability and nonprobability are the two general categories of sampling. Probability sampling uses random selection, whereas nonprobability sampling does not. For example, if you wanted to study the effects of divorce on the psychological development of adolescents, you could gather a population of a certain number of adolescents whose parents were divorced. Then, out of that population, you could randomly select 25 of those people. If you wanted to use nonprobability sampling, you would choose specific people who had met predetermined criteria. For this Discussion, consider how samples would be chosen for both probability and nonprobability sampling structures.
Post your explanation of the following:
• Using your research problem and the refined question you developed in Week 4, develop two sampling structures: probability and nonprobability.
• Explain who would be included in each sample and how each sample would be selected.
• Be specific about the sampling structures you chose, evaluating both strengths and limitations of each.
Jan finished culinary school and wants to start her own pastry business. She has a few options, and believes that a sensitivity analysis would help her to make the best business decision. She is considering three options, and is confident that..
Formulate the decision-making about the process performance as a hypothesis test, stating the null and the alternative hypotheses.
Find a value c such that P(X = s) = 0.40. d. Suppose two values of X are selected at random. What is the probability that both values are between 30 and 40
Refer to Exercise 8.17. Would a 90% con?dence interval be wider or narrower than the one that you found in that exercise? Verify your results by computing the interval.
A researcher is comparing two antihypertensive drugs A and B with regards to reduction of patient's systolic blood pressure (SBP). Baseline SBP is measured for two groups of patients.
It is reported that 21% of American households use a cell phone exclusively for their telephone service. In a sample of eight households, find the probability that:
a b c and d are taking goal shots in soccer. they take shots in the order a b c d then repeat. by going in this order
If a six appears for the third time, the turn of the player ends without moving the token. Determine the sample space of one such throw and determine the probability for each event.
If we select, at random, a small business owned by a non-Hispanic white, what is the probability that it is a male-owned firm?
A person spins the pointer and is awarded the amount indicated by the pointer. It costs $6 to play the game. Determine: The fair price to play the game
imagine the following game of chance. there are four dollar bills on the table. your roll a fair die repeatedly. every
recommendations regarding how long infants in developing countries should be breast-fed are controversial. if the
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