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Discuss two cases of either a negative or positive externality that affects you directly. What are the economic outcomes associated with each externality (in terms of surplus/over production etc.)? What are some ways that you could intervene to correct these externalities? If your solution requires the government to be involved, discuss why. If not, also describe why!
We will select a random sample of 8 cigarettes and conduct a hypothesis test at the 10 % level of significance to determine whether the true mean nicotine content of all cigarettes differs from 8.4 mg.
In a sample of 210 men, 35 prefer sugar free soft drinks. In a sample of 220 women, 42 prefer sugar free soft drinks. Using a significance level of 0.05, test whether women prefer sugar free drinks more than men. Calculate the p-value.
What is d, the difference between any 2 terms? Using the formuls for the nth term of a arithmetic sequence, what is 101st term?
If the sample proportion is .45, and the standard error of the sample proportion is .035, the appropriate conclusion would be to reject 0 H?
the mean number of errors per page made by a memebr of the word processing pool for a large company is thought to be
Was this a one tail or two tail significance tests? Explain. To what extent are the pre and post test means scores statistically significant
Given that X‾ = 78, σ2 = 25, n = 10, and α = .05, test H0:µ > 80, assuming observations are randomly sampled from a normal distribution. Also, draw the standard normal distribution indicating where Z and the critical value are located.
The one-way commuting times from home to work for all employees working at a large company have a bell-shaped curve with a mean of 33 minutes and a standard.
Before giving the denition of the binomial probability distribution, try to derive it by using the sample-point approach. How?
If you draw a sample of size eighty-one from this population, what is the probability that the sample mean tensile strength will be between 96.5 and 100.5?
(a) What are the possible values of X? (b) For each possible value of X, determine its probability. (c) Present the distribution law (the probability mass function) of the random variable X as a table. (d) Depict the probability mass function of X as..
Assume the null hypothesis is that μ = 50 and that the graph shown below is the sampling distribution of the mean (M). Would a sample value of M= 60 be significant in a two-tailed test at the .05 level? Roughly what value of M would be needed to b..
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