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Question: A medical biologist was studying three bacteria that were known to be equally present in samples taken from the healthy human digestive system. We shall label them as A, B, and C. The transformed numbers of bacteria observed by the scientist were A = 3,256, B = 2,996, and C = 3,179. The question is whether the difference from the expected shown in these values qualifies as being statistically significant. Write the null and alternative hypotheses, input the data, run the analysis, and interpret the results.
suppose that the correlation r between two quantitative variables was found to be r 0. this means thatthere is a
(a) the average number of taxis waiting, and (b) the proportion of arriving customers that get taxis.
why do you use the chi-square statistic? what type of data is used with chi-square anaylisis? what are the
Find a confidence interval for the mean assuming that each sample is from a normal population. Mean = 127, s = 27, n = 16. Find the 90% Confidence Interval.
in 2005 congress passed the bankruptcy abuse prevention and consumer protection act.nbsp this act made significant
in the basic economic order quantity eoq model at q the estimated total annual holding costa. is less than the
Let A be the adjacency matrix of a regular graph of order v and valency k. Let J be the all-ones matrix of the same order. Show that
Assuming we can verify that the data set is approximately normally distributed, what percentage of times will the server be down less than 24 minutes?
An individual whose level of exposure to a certain pathogen is x will contract the disease caused by this pathogen with probability P(x). If the exposure level of a randomly chosen member of the population has probability density function f , dete..
Suppose that in a hypothesis test with null hypothesis = 13.0 at 0.05, that a value of 11.0 for the sample mean results in the null hypothesis not being rejected.
Compare and contrast chain sampling and sequential sampling plans. When are they used?- Discuss the assumptions made in Deming's kp rule. When would you use this rule?
A two-dimensional vector v running from the origin to a point can be represented as a pair consisting of an x-coordinate and a y-coordinate. Implement a data abstraction for vectors by giving a constructor make-vect and corresponding selectors xco..
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