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Question: 1. If you want to be 95% confident of estimating the population mean to within a sampling error of ±5 and the standard deviation is assumed to be ±15, what sample size is required?
2. If you want to be 99% confident of estimating the population mean to within a sampling error of ±20 and the standard deviation is assumed to be 100, what sample size is required?
Based on data from a dart-throwing experiment, the article "Shooting Darts" (Chance, Summer 1997, 16-19) proposed that the horizontal and vertical errors from aiming at a point target should be independent of one another, each with a normal distri..
Explain the difference between exact and nonexact relationships between two variables.
1 the alkalinity level of water specimens collected from the han river in seoul korea has a mean of 50 milligrams per
Consider the problem of finding a shortest (forward) path from an origin node s to a destination node t of a graph with given arc lengths, subject to the additional constraint that the path passes through every node exactly once.
Choose one of Roosevelt's New Deal programs and write a 500 word essay using proper grammar, spelling, and punctuation.
a simple random sample of size 100 is taken from a population. the population variance in unknown. the distribution of
in competitive shooting you can always adjust the sights to remove any bias in your aim. therefore the most important
If not, what is the relationship between the percentile of the sum and the sum of percentiles? For what per- centiles is the roll-up procedure valid in this case?
an electrical distribution system consists of 3 subsystems in parallel with the following individual subsystem
A low number of checks (
Are all the events in this distribution mutually exclusive? Describe in detail.
What have you learned about the city-states in Greece that you can apply to creating contact between your band of survivors and other survivor groups? Does a city-state work for your group or do you want to form another form of government?
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