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The Mars twin rovers, Spirit and Opportunity, which roamed the surface of Mars in the winter of 2004, found evidence that there was once water on Mars, raising the possibility that there was once life on the plant. Do you think that the United States should pursue a program to send humans to Mars? An opinion poll3 indicated that 49% of the 1093 adults surveyed think that we should pursue such a program.
a. Estimate the proportion of all Americans who think that the United States should pursue a program to send humans to Mars. Find a bound on the error of estimation.
b. The poll actually asked several questions. If we wanted to report an error of estimation that would be valid for all of the questions on the poll, what value should we use?
An investment project is expected to earn $100,000 on average with a standard deviation of $50,000. Assume earnings from this investment project is a normal distribution. Of the next 15 people that invest in this project, what is the probability t..
a population has a mean 72 and standard deviation 12. find the mean and standard deviation of a sampling distribution
In which of the following situations is bootstrapping (and other resampling methods) often used and Which of the following is a valid description of the bootstrapping method.
For this assignment, you will undertake an analysis based on a self-designed fictitious study that utilizes statistical methodologies. You will first develop a fictitious problem to examine - it can be anything.
At the .05 significance level, can we conclude that the mean waiting time is less than 3 minutes?
Determination of statistical significance can only be determined by calculating the exact p value and declaring results as significant. True or false?
you are planning on junking your old car after it runs an additional 30000 km. the battery on this car has just failed
please answer the question below focused on the topic of statistics for business.discuss the similarities and
The road system around the hotel complex on International Drive ( node 1) to Disney World ( node 11) in Orlando, Florida, is shown in this network. The numbers by the nodes represent the traffic flow in hundreds of cars per hour. What is the maxim..
what is the relationship between sample size and the width of the confidence interval? please explain further as to
Jerry however is unsure the 0.6 probability of a favorable marketing research study is correct. How sensitive is Jerry's decision to this probability value ? How far can this probability value deviate from 0.6 without causing Jerry to change his d..
Seventy million pounds of trout are grown in the U.S. every year. Farm-raised trout contain an average of 32 grams of fat per pound, with a standard deviation of 7 grams of fat per pound.
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