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Sixty percent of the students at a particular community college are female. If 12 students at that community college are randomly selected, find the probability that 5 will be female. Use Appendix Table VII with p=0.6 or Excel function Binomdist(x,n,p,0) for Binomial distribution.
Determine the probability that mean height of random sample of 100 women is greater than 66 inches?
This second sample had an average response of 132 with a sample variance of 16. What is the pooled standard deviation for this problem?
a significant interaction effect indicates thata. the influence of one factor is not the same for each level of the
If only one spark plug fails, the plane will shake and not climb higher, but it can be landed safely. What is the probability that this happens? Calculate using the appropriate formula.
Test the hypothesis that the machines are showing difference qualities of performance. Use 5 per cent level of significance.
the u.s. dairy industry wants to estimate the mean yearly milk consumption. a sample of 17 people reveals the mean
For a normal distribution, find the z-score value that separate the middle 90% of the distribution from the 10% in the tails.
the probability that a randomly selected pregnancy lasts less than 149 days is approximately .3821.the probability that
Search the library for a scholarly journal article of a study that presents the results using correlation analysis. Summarize the article, explain how the correlation was used, and the value of correlation analysis.
A sample of 25 students enrolled in the university indicates that X (bar) = $285.4 and s = $42.20. Using the 0.05 level of significance, is there evidence that the population mean is above $300?
A wildlife biologist wants to do a test to see if there is a genetic trait linked to industrial toxins. Previous research says the trait is usually found in one out of every thirty frogs.
if a data set has correlation coefficient equal to 0.9 which of the following is necessarily true about the data points
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