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The mean lifetime of a certain tire is 30,000 miles and the standard deviation is 2500 miles.
If we assume nothing about the shape of the distribution, approximately what percentage of all such tires will last between 25,000 and 37,500 miles?
A client has an out-of-control system and a recommendation has been made to hire an internal accountant.
Find the probability density function of the output of the detector, assuming that (i) noise alone is present, (ii) both signal and noise are present.
Assuming that these numbers are exact and that the sample was randomly chosen from the entire population of interest, give a 90% con?dence interval for the proportion of ?lled MBA positions in Europe.
1. Define an isomer. When considering isomers, what structural differences make molecules isomers?
a. What are the values of the design parameters, t, k, b, r? b. What is the value of l for this design? c. Is the incomplete block design balanced? Justify your answer.
What is the probability that the value of the average score for this sample will lie in the internal 970 and 1030? Assume that the population distribution is normal.
suppose that 76 of americans prefer coke to pepsi. a sample of 80 was taken. what is the probability that at least
question what is an example in the world around you for which you would use a chi-square analysis? be specific.
Choose a business problem that is based upon an experience from your place of work or home environment. Briefly describe the business problem and the research methodology that you would employ to gather data and test your hypothesis
What sample size would be needed to obtain an error of ±10 square millimeters with 99 percent confidence?
What is the probability of obtaining a sample mean greater than M=105, for a random sample of n=9 people? For a random sample of n=36 people?
you are a manager of a 7-eleven. you have determined the probability a customer buys gasoline 0.32. you have also
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