If |A|= n, what is [P(A) — {{x} : x=A}|? -
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- 5.1 Suppose X ~ N(14, 10). What is the z-score of x = 14?Let N(t) be the percentage of a state population infected with a flu virus on week t of an epidemic. What percentage is likely to be infected in week 4 if N(3) = 8 and N'(3) = 1.2?Suppose that we have two attributes, gender and programs and, we observe the values of bothvariables through a random sample as given below: a. selected student is male or from the Computing Engineering b. selected student is female given that she is from Electronics and Instrumentation c. selected student is not from the Computing Engineering T =28
- In part b I need to draw the power function of the test that rejects and I also lack part cA sample, from a population has a μ = 15 and σ = 24, has M = 13. If the sample corresponds to a z-score of -.50, how many scores were in the sample?A sample of n= 64 scores has a mean of M= 68. Assuming that the population mean is u=60, find the z-score for this sample: If it was obtained from a population with o= 16 Z=
- In a study of 48 cases of a certain diseases, it was noted that 17 cases developed complications, a frequency of 35%. a. Within the limits, would you expect the true frequency of complications in such cases to be contained? b. Suppose that you observed 170 complications in 480 cases, within what limit would you expect the true frequency of complication in such cases to be contained? c. How do you explain the difference between a and b?Find the highest possible value for x in the set 8.2 7.7 6 4.8 8.2 5.8 9.2 7.3 6.2 8.1 5.5 and x such that the mean of these scores is 7. show complete solutionSuppose that a researcher is interested in the average standardized test score for fifth graders in a local school district. The fifth graders at a specific school would comprise a ___________ and their average test score would be a ___________.
- 25. A researcher develops a test for identifying intellectually gifted children, with a m of 56 and a sX of 8. (a) What percentage of children are expected to score below 60? (b) What percentage of the scores will be below 54? (c) A gifted child is defined as being in the top 20%. What is the minimum test score needed to qualify as gifted? 26. Using the test in question 25, you measure 64 children, obtaining a X of 57.28. Dexter says that because this X is so close to the m of 56, this sample is rather average. (a) Perform the appropriate procedure to evaluate this mean. (b) Decide if Dexter’s assertion is correct by using percent to describe this mean’s relative standing.3. Is the following variable discrete or continuous: The number of questions asked during a 1-hour review session.2/12 decide if a 90% T interval can be constructed about the population mean. If not, state the reason why.