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A single strain gage has a nominal resistance of 120 ohm. For a quarter bridge with 120 ohm fixed resistors, the voltage output is 1.658 mV with a strain of 1000- µstrain for a supply voltage of 3V. Compute gage factor?
It is approximately 300 miles from Chicago, Illinois, to St. Louis, Missouri. allowing for various traffic conditions, a driver can average approximately 60 miles per hour.
Find a 90 percent confidence interval estimate of the population mean and what is the 95 percent confidence interval estimate of the population mean.
JBGHI demands a sample large enough to ensure an error of ± 2% with 90% confidence. What is the necessary sample size?
A random sample of 49 employees took a computer literacy test. The sample resulted in a mean score of 75 with a standard deviation of 21. Estimate the standard error of the mean.
Twenty defective products are found after a long working day. What is the probability that all the defective products can be reworked?
Determine point estimate of population mean? By using 90% confidence, determine the margin of error?
It is found that among a random sample of 130 of the school's students, 32% of them plan to go into general practice. Find the P-value for a test of the school's claim.
The university policy department must write, on average, five tickets per day to keep department revenues at budgeted levels. Suppose the number of tickets written per day follows a Poisson distribution with mean of 6.5 tickets per day. Interpret ..
A simple random sample of 50 items from a population with σ 6 resulted in a sample mean of 32.
a meteorologist claims that the average of the highest temperature in the united states is 98 degrees. a random sample
A random sample is selected from a normal population. The population mean is 60 and the standard deviation is 15. after treatment the sample mean is 65. the sample size is 25.
Testing for Population mean - Can the difference in average educational level between the sample and the nation be explained by chance variation?
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