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The worker at a carnival game claims that he can communicate with a small magic rock and to prove it he tells you to hide it in your hand behind your back and he will identify the hand holding the rock. Being a wise student of statistics, you decide to stand back and observe the outcome of the next ten games before deciding whether to pay your three dollars to play the game. You have just conducted an informal hypothesis test. State the null and alternative hypothesis.
Make a forecast for 2005, using a trend model of your choice or a judgment forecast. Discuss. Note: Time increments are 5 years, so use t = 6 for your 2005 forecast.
Give 99% confidence interval for mean number of years general managers of major-chain hotels have spent with their current company.
if tow televisions are randomly selected, compute the probability that both televisions work. what is the probability that at least one does not work?
A bag contains 8 red marbles, 2 blue marbles, and 1 green marble. What is the probability of choosing a marble that is not blue?
Before 1918, in a random sample of 11 wolves spotted in the region, what is the probability that 8 or more were male?
5 of which are built to metric standards and 7 of which are built to english standards. What is the probability that out of 3 taken, at least one is english standard engine?
The following table describes the estimated green power sales by renewable energy in 2008: Develop a bar chart, pie chart, and Pareto Chart.
after reviewing the assigned readings write a paper of 1000-1500 words that considers ethical issues in business
The article should include a margin of error and confidence interval. Discuss the subject matter in the article, and interpret the results and what the confidence interval and margin of error mean as they apply to the specific subject matter.
you are applying for graduate school at university a. in the past 42 of the applicants to this university have been
2 cards drawn from a 52 but before the second card is drawn you put the first one back and reshuffle the deck. Are the outcomes on the two cards independent and why?
The average salary of a group of sales people is $32,500 with a standard deviation of $2,500. Answer the following: How much would a salesperson make if he/she is 2 standard deviations above the mean?
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