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1. Given below are data on the diameters of steel ball bearings from a particular production process.
1.72 1.62 1.69 0.79 1.79 0.77
(a) Construct a normal probability plot for these values. What do you conclude?
(b) Construct a 70% prediction interval for the diameter of a new randomly chosen ball bearing.
2. A particular population is known to have an exponential distribution with mean of 5.
(a) If 40 items are selected at random from this population, what is the probability that their average will exceed 5.5?
(b) If one item is selected at random from this population, what is the probability that its value will exceed 5.5?
List one concern that is likely to be associated with your SOS's physical structure, operation, or physical condition. How would you assess the overall technical performance of (a) any one component system of the SOS and (b) the entire SOS? For th..
you conducted a chi-square goodness of fit test in your asci 691 capstone project. unfortunately you did not get the
An Electric Co. Operates a fleet of trucks that provide electrical service to the construction industry. Monthly mean maintenance cost has been $75 per truck.
A sample of 400 bags of dog food which are advertised to contain twenty-five pounds had a mean content weight of 24.5 pounds with a standard deviation of 3 pounds.
find the inverse cdf of given distributions using r1 logistic1022 pareto213 weibull234 gamma355 beta352 let the inverse
Describe a hypothesis related to the area of psychology in which you are predicting an interaction. Describe the specific nature of the interaction and why you think an interaction would occur.
At the .05 significance level, can we conclude that there is a difference in their mean times?
Simplify the arithmetic by first subtracting 80 points from each score to obtain a new sample of 2, 8, 2, and 6. Then, compute the mean and standard deviation for the new sample.
The advantage of packet switching vs. circuit switching. The following figure shows that many users are sharing a 4Mbps access link to the Internet. Suppose each user is either in active status that required data access rate of 100k Bytes/second, ..
a. Determine if the problem is either a test of hypothesis, a confidence interval or something else and specify the 'key words' found in the problem that demonstrate your choice.
In 1984 the country of Morocco in an attempt to determine the average amount of time that tourists spend in that country on a visit tried two different sampling procedures.
consider the hypothesis test given byh0nbspnbsppnbsp 0.5h1nbspnbsppnbspgt 0.5in a random sample of 225 subjects the
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