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Describe the importance of Tchebysheff's Theorem to the ability to find bounds of probability.
A statistics instructor collected data on the time it takes the students to complete a test. The test taking time is uniformly distributed within a range of 35 minutes to 55 minutes.
determine the probability of accepting lots that are 10 percent 20 percent 30 percent and 40 percent defective using a
westco is a well established company with thousands of employees and they want to estimate the average age of their
The purchase of a coin-operated laundry is being considered by a potential entrepreneur. The present owner claims that over the past 5 years the average daily revenue has been $675 with a standard deviation of $75.
We have been informed that the stock has gone up 20%. What is the probability of a rise or fall in the GDP?
A population of scores has m=50 and o=10. If 5 points are added to every score in the population, then the new mean and standard deviation would be:
At the 0.05 significance level, is there a difference in the proportion of viewers watching the three channels? State the null and alternative hypothesis. Identify the level of significance: Given at 0.05
Develop hypothesis, conduct analyses as you deem necessary, and prepare a page report of your findings. Papers will be evaluated in terms of their accuracy of analysis and interpretation, completeness, and quality of writing.
A hypothesis will test that two population means are equal. A sample of 10 with a standard deviation of 3 is selected from the first population and a sample of 15 with a standard deviation of 8 from the second population.
problem based on decision tree.a manufacturer must decide whether to extend credit to a retailer who would like to open
part -1make sure you read the output carefully. this output pertains to a set of juvenile court data looking at the
Suppose the score of architects on a partecular creativity test are normally distributed. What percetage of architects have a Z scores (A) above .10.
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