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A sample of 12 homes sold last week in S1. Paul, Minnesota, is selected. Can we conclude that, as the size of the home (reported below in thousands of square feet) increases, the selling price (reported in $ thousands) also increases?
Describe what do you mean by terms 'false positive" and " false negative".
What are the key conceptual differences between these 3 methods? In other words, under what conditions do we choose each method for our analysis, and why?
For each sample, carry out a Z test using the five steps hypothesis testing with a two-tailed test at the .05 significance level, and make a drawing of the distributions involved.
If the population standard deviation is $7, and a random sample of 50 properties is chosen, what is the probability that the sample average will be below $35?
Determine the mean for list of numbers. 6, 5, 9, 4, 14, 9 (Round to the nearest tenth)
How many independent network servers would be needed if each has 99 percent reliability? (b) If each has 90 percent reliability?
Determine the maximum and minimum dollar amount spent per week for middle 50% of one-person households. Suppose that standard deviation is$5 and variable is normally distributed.
Of 900 consumers surveyed, 414 said they were very enthusiastic about a new home decor scheme. What is the 99% confidence interval for the population proportion?
What deccision should be made about the null hypothesis, and what decision should be made about the effect of the program.
Conduct a hypothesis test at the 6% level of significance to determine whether there is evidence that the true mean fill volume for all jugs of softener differs from 120 ounces.
How does one find expected profit from a probability demand distribution?
If Molly and Kathleen wishes to make a profit of $5,000 for summer, how many pupils do they require to enrol?
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