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Just before a referendum on a school budget, a local newspaper polls 385 voters to predict whether the budget will pass. Suppose the budget has the support of 53% of voters. What is the probability that the newspaper's sample will lead it to predict defeat? The probability is...........round to 2dp.
A biologist had mice and rats run through a maze and recorded the number that finished the maze successfully and the number that did not. This table lists the results of the study.
At the present time, the warehouse is 40 feet deep. How many feet of depth should be added on the warehouse to minimize the annual inventory costs?
If a random sample of 8 adults is selected from the city, find the probability that exactly 3 adults respond that they enjoy using public transportation.
The number of choco chips in an 18 ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1256 and a standard deviation of 129 chips, What is the probability that a randomly selected bag contains fewer than 1000 c..
Most businesses use some form of linear regression in forecasting future conditions. Give an example of the use of regression analysis at your organization. What were the independent and dependent variables?
construct a frequency distribution table for these data. what type of graph would be appropriate to show the frequency distribution for these data?
Polls showed the two main candidates in the 2004 presidential election were nearly tied on the day before the election. To predict the winner a newspaper would like to have a poll that has margin of error less than 1%. Roughly how large a sample w..
Determine the cost Xs to develop the support system for which the probability of exceeding Xs is equal to 0.01?
A two-way ANOVA model was used to analyze an experiment with two levels of one factor, three levels of a second factor, and 6 observations per treatment combination.
Which measures of central tendency will always have but one (1) value for a set data?
Test the hypothesis that the machines are showing difference qualities of performance. Use 5 per cent level of significance.
Would the resulting sets of data represent dependent or independent samples? Why? What could the students change in the project to have it represent the other?
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