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Question: Environmental Voting of Democrats and Republicans in the U.S. House of Representatives. Each year, the League of Conservation Voters (LCV) identifies legislative votes taken in each house of the U.S. Congress-votes that are highly influential in establishing policy and action on environmental problems. The LCV then publishes whether each member of Congress cast a proenvironment or an anti-environment vote. Display 1.15 shows these votes during the years 2005, 2006, and 2007 for members of the House of Representatives. Evaluate the evidence supporting party differences in the percentage of pro-environment votes. Write a brief report of your conclusion, including a graphical display and summary statistics.
The mean fraction defective in the samples for these in the past has been 3%. If there are 5 random samples, and a constant sample size of 400 is taken for each random sample, what is the upper control limit of P-Chart?
Which of the following will equal the average time that a customer is in the system?
hoping to lure more shoppers downtown a city built a new public parking garage in the central business distri. the city
A random sample of 7 students selected from a large class revealed the following scores: midterm 70, 62, 57, 68, 89, 63, 82 and on the final 80, 79, 87, 88, 85, 79, 91. Is there evidence of an improvement on the final?
a random sample of size 100 is to be taken from a population that has a proportion equal to 0.35. the sample proportion
Find the probabilities for the following discrete random variables and find the probability that the salad contains more than 5 vegetables on i) a given day and on ii)3 of the next 4 days?
Suppose a government forecast indicates that there is a 70% chance of economic expansion or status quo in the next 4 years and there is a 30% chance that the economy will show a decline. What is the optimal decision in this problem? Did you make a..
when an events probability depends on the likelihood of another event the probability is aa conditional probability.b
A salesperson either makes a sale (S) or does not make a sale (N) with each of two potential customers.The simple events and their probabilities are given below.
Describe and analyze your quantitative data and Briefly address the data analysis process.
Generate the random variables (at least 10 values) [column 1], Calculate the PMF [column 21 and CDF [column 3], Plot the PMF and CDF in different graphics (It is recommended to combine the graphics while changing the parameters)
Calculate the sum of squared error for the mean, SStotal.- Now, using the regression equation provided, calculate the sum of squared error for the regression equation, SSerror.
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