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The incidence of a certain disease in the population is estimated to be 1.0 %. That is, the probability that a randomly selected person having the disease is 0.01. A test for this disease is 95 % accurate; that is, it will positively identify a person who has the disease with a probability of 0.95. On the other hand, the test produces false positives with a probability of 0.04 . If a person tests positive for the disease, what is the probability that the individual actually has the disease ?
What is the probalility that the mnean annual snowfall during 64 randomly picked years will exceed 107.8 inches? Round your answer to four decimal places.
Suppose the people living in a city have a mean score of 48 and a standard deviation score of 7 on a measure of concerns about the environment.
Produce a printout of the frequency tables, showing the total of both frequencies.
Form the cumulative percentage distribution and plan a cumulative percentage polygon.
Determine the minimum sample size required in order for you to be confident that your evaluate is within of? Use value for population standard deviation of scores on this subsection.
A population of raw scores is normally distributed with μ =0 60 and = 14. Determine the z scores for the following raw scores taken from that population:
If the production process is in control, the mean number of chips per cookie is 6.0 What is the probability that in any particular cookie being inspected. What is probability that in any partcular cookie being inspected, there are less than 4 choco..
We want to estimate the delay using the correlation analysis. Determine analytically the autocorrelation ryy(l) in terms of the autocorrelation rxx(l).
If a survey of 100 randomly selected united states residents is to be taken, what is the approximate probability that at least 60 will be under 31 years of age?
significance testing. t-tests1. in the course of the thesis work a student develops a new approach for the solution of
A store asked 250 of its customers whether they were satisfied with the service or not. The responses were also classified according to the gender of the customers. We want to study whether there is a relationship between satisfaction and gender.
1.as part of a promotion for a new type of cracker free samples are offered to shoppers in a local supermarket. the
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