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Every statement about a confidence interval contains two parts: the level of confidence and the interval. Suppose that an insurance agent estimating the mean loss claimed by clients after home burglaries created the 95% confidence interval ($1644, $2391).
a) What's the margin of error for this estimate?
b) Carefully explain what the interval means.
c) Carefully explain what the 95% confidence level means.
A real emergency situation is a rare event, with a probability 0.004. Given that the alarm has just sounded, what is the probability that a real emergency situation exists?
Note that under the exponential assumption, P(X>t) = exp(-t/theta). If t=5, use the result from (a) to find an approximate one-sided lower 95% confidence limit for theta.
What are the key components of consideration that went into forming the Texas Constitution?
a locomotives adhesion is the locomotives pulling force as a multiple of its weight. this is an important performance
A recent study of the USA births showed the average birth weight of a male was 8 lbs.; the average weight of a female newborn was 7.4 lbs.
1. for a population containing n902 individuals what code number would you assign fora. first person in the list.b.
if x is a binomial random variable where n100 and p.1 find the probability that x is less than or equal to 12 using the
5 of which are built to metric standards and 7 of which are built to english standards. What is the probability that out of 3 taken, at least one is english standard engine?
a coffee machine delivers volumes of coffee into 8 oz. cups that are normally distributed having and unknown mean but
Using the p- value approach, test the hypotheses at the 5% level of significance.
37 percent of managers have MBA degrees. Using probability formulas. Determine the proportion of employees who are managers and have MBA degrees.
A team of scientists is interested in the effects of vitamin A, vitamin C, and vitamin D on the number of offspring born for a speci?c species of mice.
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