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A CBS News poll taken in December 2009, asked a random sample of 1048 adults in the United States, "In general, do you think the education most children are getting today in public schools is better, is about the same, or is worse than the education you received?" About 34% said "Better," 24% said "About the same," and 38% said "Worse." (The remaining 4% were unsure.)
a. What is the population for this survey?
b. What is the approximate margin of error for this survey?
c. Provide an interval that is 95% certain to cover the true percentage of U.S. adults in December 2009 who would have answered "Better" to this question if asked.
Choose one domestic AND one international challenge facing the United States today. Discuss what they are, how they were created and how we will (if possible) resolve them. When writing your essay, you must use examples and be specific in your ans..
Ppaid full salary for the current year. a. Determine how to minimize the bus company's salary, hiring, and firing costs over the next 5 years.
In all, 53 say "good." Does the poll give reason to conclude that more than half of all seniors think their job prospects are good? The hypotheses for a test to answer this question are?
A standard deviation of 1.00 degrees C. Find the probability that a randomly selected thermostat reads greater than -0.74 and draw a sketch of the region.
A mobile computer network consists of a number of computers (called nodes) that communicate with each other while moving throughout a region. A node that is out of transmission range of the other nodes, so that it is unable to communicate, is said..
association we know association does not imply causation but what does this mean in your own words. provide and discuss
The amount ($1.00, $5.00, $10.00, $25.00, or $50.00) promised to each person was determined by randomization. For each person who was sent one of the surveys, The value of the X2 test statistic for testing the hypothesis
This problem related to Basic Statistics and it discuss about researching statistical data in business context that requires taking decision by using probability concepts to formulate a decision
1. investigating a particular stock you estimate the following returns and their associated probabilitiesprobability
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Your company has experienced problems with employee morale and productivity. The consultant that was hired submits a report that includes opinions and data collected from 300 secretaries and clerks as well as 75 senior managers.
Samples are shown of volatility (coefficient of variation) for sector stocks over a certain period of time.
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