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The local newspaper was interested in the proportion of people that would vote in favor of a bond issue to add a new sewage treatment plant. The paper contacted 80 registered voters and found that 26 of them were in favor of the bond issue. Calculate the MARGIN OF ERROR of a 80% confidence interval for the proportion of all registered voters who favor the bond issue. (Give just the margin of error in the form of a proportion to 3 decimal places, do NOT include any symbols or letters).
set 1 48.2 58.3 62.1 53.8 72.4 56.8 54.1 66.4set 2 44.5 52.1 54.2 46.4 52.7 74.2 51.3 52.4a. with 90
the value of the chi-square statistic for testing the null hypothesis that the proportion of internet users is the same
Find the regression line with all of these states removed from the calculation. Draw this new line on your plot. Was this group of states inuential?
The instructor wanted to "pass" anyone who scored above 69. What proportion of exams will have passing scores?
How accurately do the exam scores predict final grades? Compute the standard error of the estimate.
a may 2007 gallup poll found that only 11 of a random sample of 1003 adults approved of attempts to clone a human.find
Due to financial hardship, the Nyke shoe company feels they only need to make one size of shoes, regardless of gender or height. They have collected data on gender, shoe size, and height
Describe expected value (EV) of an investment if there is a 20% chance of realizing a return of $20,000 or a 55% chance of realizing a return of $25,000, or there could be a loss of $15,000?
Indicators of a maternal diagnosis of toxemia during the pregnancy, a condition characterized by high blood pressure and other potential complications, are saved under the variable name tox (1: toxemia; 0: no Toxemia).
What does central limit theorem say about distribution of John's average payoff after 365 bets in a year?
the mean is always the best measure of central tendency to use.truefalseif you use a simple random sample then your
question a random sample of five accidents resulted in the following number of persons injured 18 1512 19 amp 21.
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