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The student council at one high school must choose two representatives from each of the sophomore, junior, and senior classes to attend the annual student council convention. If there are 6 sophomores, 5 juniors, and 7 seniors on the student council, in how many ways can the group be chosen for the convention?
Compute the probability of selecting a credit card customer at random and finding the customer charged between $70 and $83 last month.
Can the college conclude that the students in the new program are significantly different from the rest of the freshman class? Use a two-tailed test with a .O5.
a statistics instructor collected data on the time it takes the students to complete a test. the test taking time is
A large medical center's oncology program reported in increased # of cases of pancreatic cancer during a certain month.
If the test had been two-tail (i.e., 2000 versus ) instead of right-tail, would the p-value still be 0.012? If not, what would the p-value be? Explain.
Problem based on combinatory - how many different license plates are possible?
Explain why your choice is logical. Do four repetitions, each trial consisting of 10 questions. Find the empirical probability of getting more than 5 correct.
The applicants require to take the university examination for admission in engineering collage. Scores on the university are roughly normally distributed with a mean of 530 and a standard deviation of 115.
Do the data appear to require transformation before using a single-factor ANOVA to compare the four treatments?
Use the normal approximation to the binomial with a correction for continuity. Round your answer to at least three decimal places. Do not round any intermediate steps.
visit the australian bureau of statistics website and get the catalogue 6302.0 average weekly earnings australia. you
Is there any evidence to suggest that the proportion of adults in this area who hear the Hum has changed? Use a = 0.05 and use the p value associated with this hypothesis test to draw a conclusion.
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