Margin of error and the confidence interval for the mean
Starting salaries of 70 college graduates who have taken a statistic course have a mean of $42,823 and a standard deviation of $10,934. Using 99% confidence, find the margin of error and the confidence interval for the mean
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Determine the temperature at the end of the process and the amounts of work and the heat transfer per unit mass in Btu/lb if n=1.3.
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A 1000-Hz tone from a loudspeaker has an intensity level of 101dB at a distance of 2.5 m If the speaker is assumed to be a point source, how far from the speaker will the sound have intensity level of 60dB.
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A copper-clad steel sheet is produced by hot roll bonding. The cladding separated during deep drawing. What are some likely process steps and problem areas?
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