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Technical data provided with a room dehumidifier explain that units tested from the production line consume a mean of 800 watts of power, with a standard deviation of 12 watts.
The superintendent of a large office complex, upon evaluating 30 of the units recently purchased and finding their mean power consumption to be 805 watts, claims that her shipment does not meet company specifications. At the 0.05 level of significance, is the superintendent's complaint justified?
Please show/discuss extensively how number theory is applied in cryptography.
a correlation coefficient has an associated probability value of .02 then1. the results are important2. the hypothesis
The management of White Industries is considering a new method of assembling its golf cart. The present method requires 42.3 minutes, on the average, to assemble a cart.
let xsub1 and xsub2 be two continous random variables having the joint probability densityfxsub1xsub2 4xsub1xsub2 for
A life insurance company estimates that the probability that an individual in a certain risk group will survive one year is 0:99.
Twenty-five samples of size 4 resulted in statistics of x=30.0 minutes and R = 2.5 minutes for the company to completely clean a rug. Compute control limits for x- and R-charts and estimate the standard deviation of the process.
Suppose the amounts of oil (in barrels) lifted on a given day from two wells are jointly bivariate normal, with means 150 and 200, variances 100 and 25, and correlation .5. What is the probabil- ity that the total amount lifted is larger than ..
question what is an example in the world around you for which you would use a chi-square analysis? be specific.
What proportion of time will it take clean-up crew 56 or more hours for cleaning plant? Define the lower and upper limits of interval.
Sarah is a 60 year old Anglo female in reasonably good health. She wants to take out a $50,000 term life insurance policy until she is 65.
in a game of change if you purchase one ticket out of the 100 tickets being sold at a cost of 5.00 how much money
At alpha = 0.05, is there enough evidence to conclude that proportions vary from those in the study?
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