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The number of defective circuit boards coming off a soldering machine follows a Poisson distribution. During a specific eight-hour day, one defective circuit board was found.
a Find the probability that it was produced during the first hour of operation during that day.
b Find the probability that it was produced during the last hour of operation during that day.
c Given that no defective circuit boards were produced during the first four hours of operation, find the probability that the defective board was manufactured during the fifth hour.
let x and y be independent exponential random variables with means 2 and 3 respectively. let zxy. determine
Make a decision by computing the test statistic and comparing it to the decision rule. What the decision rule means in terms of the question in the problem.
Let μ be the mean perceived age estimate for all viewers of the ad, and suppose we consider the industry requirement to be met if μ is at least 25. Set up the null and alternative hypotheses needed to attempt to show that the industry requirement ..
a sample of n 4 difference scores produces ss 48. what is the estimated standard error for the sample mean
the presence of bacteria in a urine sample bacteriuria is sometimes associated with symptoms of kidney disease in
Construct the 95% confidence interval estimate of the mean number of migraine attacks for those treated with acupuncture.
Some people prefer large cities, others prefer small towns. Some people do not have strong preferences about the size of the town in which they live; this would show up as a low weight for the population-size attribute in a multiattribute utility ..
Assume the results of different games played in the series are independent of each other. Find the p.m.f. of the distribution of N := duration" of the baseball series.
Does it seem prevention plans were effective in reducing mean amount of a claim? Use 0.05 level of significance. Set up Null and Alternate Hypothesis.
in an experiment to learn if substance m can help restore memory the brains of 20 rats were treated to damage their
What per visit price must be set for the service to break-even? To earn an annual profit of $100.000 and repeat Part a. but assume that the variable cost per visit is $10.
Test the implementation with the following values of p = 2,3,5 on the following time-series:
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