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The mean is 6.5345 with standard deviation of 3.7533. The sample size is 30. Determine the 95% confidence interval, assuming that sigma is unknown, list each in proper (lower bound, upper bound) notation.
a particulate monitor has a power supply consisting of two batteries in parallel. either battery is adequate to operate
In exercises describe the probability law of the random variable given.
Suppose an x distribution has mean μ = 5. Consider two corresponding x distributions, the first based on samples of size n = 49 and the second based on samples of size n = 81. (a) What is the value of the mean of each of the two x distributions?
question problem statement areathe charlevoix seismic zone csz is the most seismically strive region of eastern
The number of items rejected daily by a manufacturer because of defect for the last 30 days are 22, 21, 8, 17, 25, 20, 18, 19, 14, 13, 11, 6, 21, 23, 4, 19, 11, 12, 16, 16, 10, 28, 24, 6, 21, 20, 25, 5, 17, 9. Complete this frequency table for the..
the average score for 49 teenage boys playing a certain computer game was 75000 points per player. if the standard
The median amount of accounts payable to a CVS retail outlet in May 2007 is believed to be $78.50. Conduct a test to assess whether this assumption.
1. What role does the central limit theorem play in the construction of a confidence interval for the population mean? 2. In using the standard normal distribution to construct a confidence interval for the population mean, what two assumptions are..
a player of a video game is confronted with a series of 3 opponents and an 77 probability of defeating each opponent.
If a random 250 tax returns are audited, what is the probability that the IRS will uncover at least 15 fraudulent returns?
Write a short report about the clusters you find. Does the clustering make sense? Can you provide descriptive, meaningful names for the clusters
is it appropriate to compute a CI estimate of proportion when the condition to use the normal approximation is 6.8345? What is the 92% CI estimate of proportion?
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