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Question: Throw two dice. Suppose that we only know the sum of the face values, which have been turned up. Define the sample space ? that includes all the possible outcomes and find a disjoint partition of ? that represents this information. The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.
Write a brief research report based on an analysis of the data file - describe the demographic characteristics of my sample and how the data were collected
To test the hypothesis that 48% of PC users have never used a Mac, the analyst took a sample of 50 PC customers drawn at random and found that 22 of them had never used a Mac.
Conduct a sign test to determine whether there is any evidence to suggest that the median survival at D'Youville is greater than 4.6 years.
A powerful women's group has claimed that men and women differ in attitudes about sexual discrimination. A group of 50 men (group 1) and 40 women (group 2) were asked if they thought sexual discrimination is a problem in the United States.
Can you argue that pricing has a larger standard deviation than claimed by the manufacturer? Use the 5% significance level.
It is not unusual for a battery to have life span that is more than 2470 hours as the z-score is within 2 standard deviations of mean.
We have a deck of 52 playing cards. What is the probability of drawing?
For the hard drive data in Exercise 2, some research on the prices discovered that the 200 GB hard drive was a spe- cial "hardened" drive designed to resist physical shocks and work under water. Because it is completely different from the other dr..
Consider rolling two fair six-sided dice. Let Y be the sum of the numbers showing. What is the probability function of Y?
With a 5% margin of error, a 95% confidence level, and a population size of 2,000,000, how do you calculate the sample size for the mean? No standard deviation or population proportion is provided. Please show your work.
take 3 arrays as input: one containing the student responses, the second containing the answer key, and the third containing the scores for the questions,
The goal is to have fewer than five unfilled orders on hand at the end of 95% of the working days. Frequent checks of the unfilled orders follow a Poisson distribution with a mean of two orders. A Poisson distribution is a discrete frequency distr..
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