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Question: To estimate the percent of district voters who oppose a certain ballot measure, a survey organization takes a random sample of 200 voters from a district. If 45% of the voters in the district oppose the measure, estimate the chance that:
a) exactly 90 voters in the sample oppose the measure:
b) more than half the voters in the sample oppose the measure.
[Assume that all voters in the district are equally likely to be in the sample, independent of each other.]
Parts, materials and product inventories need to be kept up to date irrespective of their dynamic nature. As a fresh graduate from college document clearly the modern inventory management techniques.
Do studies have an impact on future activities in society? A study of New Jersey adults found that those who studied civics in school were more likely to vote.
Carry out a complete analysis of variance, and report your results in the form of a memorandum. State your hypotheses and your conclusions. Do you believe there are differences among the three models? If so, where do they lie?
Many companies use sampling to determine whether a batch should be accepted. A (n, c) sampling plan consists of inspecting n randomly selected items from a batch and accepting the batch if c or fewer sampled items are defective.
if a machine disk slips the probability that the product is not acceptable is 0.74 overall 8 of the product from this
Is there necessarily a stable matching under which Julius is matched to Messalina? Either prove this statement or provide a counter example.
a) Assume that the president is correct and p = 0.27. What is the sampling distribution of for this study? b) What is the probability that the sample proportion will be between .14 and .40 (to 4 decimals)? c) What is the probability that the sample p..
researchers are studying yield of a crop in ten locations. the researchers are going to compute independent 90
The lifetime of a certain type of automobile tire in thousands of miles of normally distributed with mean 37 and standard deviation 5.
The hypotheses are as follows: Null Hypothesis: μD ≤ 0, Alternative Hypothesis: μD > 0. From her data, the resesarcher calculates a p-value of 0.0162. What is the appropriate conclusion? The difference was calucated as (after - before).
A simple random sample of 33 observations is derived from a normally distributed population with a known standard deviation of 5.6. Is the condition thatis normally distributed satisfied?
The Weyerhauser Lumber Company headquartered in Tacoma, Washington, is one of the largest timber and wood product companies in the world. Weyerhauser manufactures plywood at one of its Oregon plants.
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