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An exclusive club for top students has to elect a new President and Treasure. There are 50 students in the club, and all are elegible for election. How many diffrent choices of officers are possible if:
a. There are no restrictions?
B. One person will serve only if he/she is President?
C. Two people will server together or not at all ?
Can the president conclude that the average family income at his school is significantly different than the population mean family income of the reported university?
Build a scatter plot, Find the value of the linear correlation coefficient r, and find the critical value of r using α=0.05. Determine whether there is sufficient evidence to support a claim of a linear correlation between the two variables.
the central limit theorem can be used to analyze round-off error. suppose that the round-off error is represented as a
car manufacturers are concerned about meeting new government regulations on fuel efficiency. audi knows that their
suppose x is a normally distributed random variable with mu 13 and sigma 2. find each of the following probabilities
professor green gives two-month computer programming courses during the summer term. students must pass a number of
There are three versions of a board game released - version 1, version 2, and version 3. The versions are distributed equally and evenly among all potential sellers of board games.
Estimate the proportion of customers that will be using food stamps at his store. How large a sample is required to estimate the true proportion to within 3% with 98% confidence?
Construct a 95% confidence interval for the population mean, assuming a normal distribution?
It is known that 6.3 percent of students who applied to UTC were not accepted. Determine the highest score of those who were denied acceptance?
Conduct a one-tailed hypothesis test given the information below. A certain brand of fluorescent light tube was advertised as having an effective life span before burning out of 4000 hours.
What conclusions can you draw about the nature of the relationship between anxiety and exam performance?
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