Hat is the probability that the sample mean will exceed 104
A population has a normal distribution with a mean of 98 and a standard deviation of 12. If 9 measurements are randomly selected from this population, what is the probability that the sample mean will exceed 104?
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Collete is self-employed, selling stamps at home parties. She wants to estimate the average amount a client spends at each party. A random sample of 35 clients' receipts gave a mean of $34.70 with standard deviation s= $4.85.
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Develop a 95% confidence interval to estimate the difference in SAT math scores from students in Delaware and New jersey.
The weekly earnings of bus drivers are normally distributed with a mean of $395. If only 1.1% of the bus drivers have a weekly income of more than $429.35, what is the value of the standard deviation of the weekly earnings of the bus drivers?
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a 50 kn block sits on an inclined plane as shown. determine the angle of the incline needed to have the block begin to slip down the plane. the coefficient of friction is 0.17
How is globalization affecting marketplaces in remote areas of the world? Share an example of technology usage in a global marketplace
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