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Question: (Requires probability.) A typical opinion poll surveys about 1000 adults. Suppose the sampling frame contains 100 million adults, including yourself, and that an SRS of 1000 adults is chosen from the frame without replacement.
a. What is the probability that you are selected to be in the sample?
b. Now suppose that 2000 such samples are selected, each sample selected independently of the others. What is the probability that you will not be in any of the samples?
c. How many samples must be selected for you to have a .5 probability of being in at least one sample?
a lot of 50 items has two defective items and 48 nondefective items. a random sample of 5 items is to be selected from
an automobile manufacturer has asked you to assist them with some financial analysis regarding the painting of
Standard deviation of $594, 90% confidence level, and a margin of error $137 what is the sample size
A Cornell university study of wage differentials between men and women reported that one of the reasons wages for men are higher than wages for women is that men tend to more years of work experience than women. Suppose the following results were ..
the table below shows the price of a volatile stock from the months january 1999 through december 1999 as determined by
suppose the equation of the regression line for the debt per capita for the years 1990-2001 is computed to be debt per
After reading the case, answer the following questions, using the table of collected data entitled, "Measurements taken from Neonatal Ward."
In this study we will consider the current issues of operational expenses in relation to the number of staff and number of branches being experienced by 123 Finance Inc.
An internet company has redesigned its website to improve the online experience of its customers. To test whether the new design has improved its customers' experience it has asked people to comment on whether they prefer the new format or not.
the intensity of light re?ected by an object is measured. suppose there are two types of possible objects a and b. if
The train. To get to work, a commuter must cross train tracks. The time the train arrives varies slightly from day to day, but the commuter estimates.
supposed you used a 10-point rating scale to measure intention-to-buy 1 definitely would not buy and 10 definitely
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