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Seven people will be seated in the first row of a movie theater; this includes two pairs of sisters; the Adams and the Browns. Using the theorem P(A or B) = P(A) + P(B) - P(A & B), what is the probability that at least one of the two pairs of sisters is seated together?
An experiment was carried out to assess the effects of four tomato varieties and four planting densities on yield. There were 64 plots, and each of the 16 factor combinations was randomly assigned to 4 plots.
Can the college conclude that the students in the new program are significantly different from the freshman class? Use a two-tailed test with an alpha level of .05?
When 297 college students are randomly selected and surveyed, it is found that 126 own a car. Find a 99% confidence interval for the true proportion of all college students who own a car.
What is the real world value of the y-intercept and slope in a regression equation? Other than statistics problems, why should I care?
Formulate and solve linear program for determining how many copies should be assigned to each printing firm to minimize the total cost of obtaining 75,000 acceptable-quality reports?
Find the probability that a standard normal random variable will assume a value between: Find a z such that 70% of the area is above that value.
Multiple choice questions based on regression - dependent variable Y and an independent variable X is provided.
True mean number of years to retirement of its employees to within one month of the true mean and with 90% confidence if the range of the data is 7 years?
Mention all samples of size 3, and compute the mean of each sample. Compute the mean of the distribution of sample means and the population mean.
the following graph shows the population of washington d.c. in 2000 and in 2010. what is wrong with this graph? draw a
senior management of a consulting services firm is concerned about a growing decline in the firms weekly number of
What is the probability that a sample mean will be within plus-or-minus two of the population mean for each of the following sample sizes?
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