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The probability that an individual owns a tablet computer is 0.4. The probability that a person owns a smart phone given that they own a tablet computer is 0.9. The probability that a individual owns a smart phone given they do not own a tablet computer is 0.6. What is the probability that an individual owns a tablet computer given that they own a smart phone?
The grades of 20 students are listed in the stem and leaf diagram below. What is the probability of randomly selected student to have a grade more than or equal to 60 and less than or equal to 80.
Determine if there is interaction between the yield levels of corn and the crop that had been previously planted in the field. Use a significance level of 0.05.
Suppose that P(X = 1) = P(X = -1) = 1/2, that Y ? U(-1, 1) and that X and Y are independent.
what does a negative correlation statistic value mean?a for most individuals both variables had values less than zerob
Conduct a hypothesis test and What is the calculated t value? Are the mean test scores of these two groups significantly different at the .05 level - Conduct a hypothesis test.
What was your percentile score on this test? Using what you know about z scores and percentiles, how did you do on this test?
to increase the value of estimated cohens d a researcher increases the sample size. will this change the value of d?a
Firm. You've been hired as an economic consultant by an unprofitable price-taking firm that produces baseball caps. The firm already has a factory, so it is operating in the short run.
Valuation of an MNC Odessa Co., Midland Co., and Roswell Co. are U.S. firms in the same industry and have the same valuation as of yesterday, based on the present value of future cash flows of each company.
Student achievement and self-concept. In order to determine if student achievement is related to self-concept, as measured by the Piers-Harris Children's Self-Concept Scale, data were collected on 78 seventhgrade students from a rural midwestern s..
Develop a forecast for year 6, using two-year moving average and trend analysis. Identify which method is most appropriate for this data set
Assume the underlying weight distribution is normal and that σ = 78.- Find a 99% confidence interval for the true mean weight of male polar bears in the Chukchi Sea.
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