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Among 20 students in a Zoom meeting, there are five each of freshmen, sophomores, juniors, and seniors. The 20 students are split at random into four breakout rooms of five students each.
a) What is the distribution of the number of freshmen in Breakout Room 1?
b) What is the joint distribution of the numbers of freshmen in Breakout Rooms 1 and 4?
c) What is the chance that in at least one of the breakout rooms all the students are in the same year?
Calculate the 98% confidence interval for the proportion of female students ( 9 male 25 female)
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?
Do the Kruskal-Wallis test. Explain the distinction between the hypotheses tested by Kruskal-Wallis and ANOVA.- Write a brief statement of your findings. Include a numerical comparison of the groups as well as your test result.
Identify the following dilemmas as either constructive or destructive. Then suggest a refutation for each by escaping between the horns, grasping by the horns, or constructing a counterdilemma.
in a small town the relationship between robberies and police officers on aduty has been collected. x represents the
Find the probability that more than two students will attend. What is the probability that the 49 balls traveled an average distance of less than 240 feet?
The national average for the math portion of the College Board's SAT test is 524. The College Board periodically rescales the test scores such that the standard deviation is approximately 50. Answer the following questions using a bell-shaped dist..
an ordinary dice was thrown 50 times and the resulting scores were summarised in a frequency table. the mean score was
Given the following information from Pharoah Corporation, what price would the CAPM predict that the company's stock will trade for one year from today
Suppose we do a test with a significance level of 0.05. Write a sentence describing the significance level in the context of the hypothesis test.
At the 0.01 level of significance, is there evidence to support the professor's claim?
q1. what are the economic rationales for different types of government intervention in health care?q2. explain the
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