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A researcher conducts a study of Asians and Hispanics attitudes toward the police in her community. The percentage of Asian respondents (N = 300) who say they have a favorable attitude toward the police is 55% with a 95% confidence interval of +/- 5.6%. The percentage of Hispanic respondents (N = 250) who say they have a favorable attitude toward the police is 41% +/- 6.1%.
You are asked if there is a real difference between the percentage of Asians and Hispanics who have a positive attitude toward the police in the larger population, or is this sample difference likely to have occurred by random chance or sampling error. How do you respond? Explain your answer.
Hospitials having fewer that 1000 discharges is estimated from a simple random sample of size 25. Use the central limit theorem to sketch the approximate sampling distribution of the estimate.
the invoices are numbered from 0001 to 5000a. complete the list of the 10 invoice numbers that will be selected from
Chlorine concentration in a municipal water supply is a uniformly distributed random variable that ranges between 0.74 ppm and 0.98 ppm.
four mutually exclusive events a b c and d have probabilities of 0.1 0.2 0.3 and 0.4 respectively. what are the
part aanswer all of these questions using r commander. include all graphs outputs from r commander .this assignment
What is the probability that the mean contents of a six-pack are less than 12 ounces and what is the chance I find at most two defectives in the sample
If an urn is selected at random and a ball is drawn, find the probability it will be red.
The percentage of physicians who are women is 27.2%. In a survey of physicians employed by a large university health system, 48 of 120 randomly selected physicians were women. Compute the test value.
baby talk magazine reported that the mean time a mother spends changing diapers a day is 15.1 minutes. a sample of 12
questiona manufacturer of squash racquets has collected information on time in months to breakage for their racquets
the bullish sentiment was reported to be 48.7 oneweek earlier and 39.7 one month earlier. the sentiment measures are
the office of president vice president secretary and treasurer for an environmental club will be filled from a pool of
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