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Use technology to construct the confidence intervals for the population variance ?^2 and the population standard deviation ?. Assume the sample is taken from a normally distributed population.
C=0.95, s^2=5.76, n=26
The confidence interval for the population varieance is ( , )
The the confidence interval for the population standard deviation is ( , )
(Round to two decimal places as needed.)
assume that the actual surgery duration of this operation suite has a sample mean as x70 minutes and standard deviation
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In a random sample of 10 cell phone users, what is the probability that exactly 2 have used their phones to access the Internet? More than 2?
Surface area of a cube. The formula A=6V^2/3 gives the surface area of a cube in terms of its volume V. What is the volume of a cube with surface area 12 square feet?
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in the past year 17 of local businesses have eliminated jobs. if 25 businesses are randomly selected what is the
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