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In the following data pairs A=percentage of voters who voted Democrat B=percentage of voters who voted Republican In a recent national election. The data are paired by county. Dem Rep 42.2 35.4 34.5 45.8 44 39.4 34.1 40 41.8 39.2 40.7 40.2 36.4 44.7 43.3 37.3 39.5 40.8 35.4 39.3 44.1 36.8 41 35.5 42.8 33.2 40.8 38.3 36.4 47.7 40.6 41.1 37.4 38.5 Analyze the data in the normal fashion using SPSS. Find out whether the counties tested percentage of voters is more democratic or republican.
Do you think the Poisson distribution, which assumes independent arrivals, is a good estimation of arrival rates in the following queuing systems? Defend your position in each case.
A study of elephants is conducted to determine the average weight of a certain subspecies of elephants. The standard deviation for the population is 500 pounds.
A single-sample acceptance attributes sampling plan is required to have a producer's risk of 0.06 for an acceptable quality level of 0.5% nonconforming, and a consumer's risk of 0.10 for a rejectable quality level of 5% nonconforming. Use Minitab ..
you have been hired by medicaid state run program in support of medical care for indigent to advise the director on how
A fair coin is tossed four times and X is number of heads on first three tosses and Y on last three. What is the joint probability mass function of x and y? What is the marginal pmf? Are X and Y independent?
Botanist is testing three plants and finds that prob of plant A being alive in a weak is 0.3 plant B is 0.6 and plant C 0.5 these probability are indipendant of each other. Determine the probability of all plants being alive after a weak.
A study conducted by the research department of a pharmaceutical company claims that the annual spending (per person) for prescription drugs for allergy relief is greater than or equal to the annual spending (per person) for non-prescription aller..
Determine whether there is suffcient evidence to support the clain that the new balls have bounce heights with a mean different from 92.84 in. Does it appear that the new baseballs are different?
The true breaking strength of our trash bags when using a 95% confidence interval. What is the minimum number of bags we should sample?
Standard deviation of 50. what is the probability that next year the number of burgalaries will be less than 250? less than 300 and more than 350?
The researcher would like to create another regression model and use data from people who are currently students - In simple Ordinary Least Squares regression, the fitted line must always go through a particular point, which is found from the x and ..
Standard deviation of 424 and 155 respectively. at the .05 level of significance, test the claim that the new version has standard deviation equal to that of the past version.
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