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Business and Management One of the main reasons that U.S. companies shift jobs overseas is labor costs. Although the compensation gap between the United States and China has decreased recently, the tax code still rewards companies for making certain investments overseas. A recent study suggests that 4% of large companies have plans to relocate jobs back to the United States.14 Seventy-five large companies are selected, and each is surveyed to determine if it plans to move jobs back to the United States.
a. What is the population of interest?
b. What is the sample?
c. Describe the variable of interest.
d. Write a probability question and a statistics question involving this population and sample.
Find the value of q-hat from proportion and degrees of freedom used to find the t-score.
1. of 1906 people who came into a blood bank to give blood 300 people had high blood pressure. estimate the probability
Test the hypothesis that the proportion of home ownership in the state of Florida exceeds the national proportion at the α = 0.01 level using the following data.
In a shipment of 58 vials, only 14 do not have hairline cracks. If you randomly select one vial from the shipment, what is the probability that it has a hairline crack?
The time required to do the job is normally distributed and has a mean time of 28 minutes with a standard deviation of 5 minutes. How much time should the employer allow employees to finish the job?
question in a discrete mathematics class every student is a major in computer science or mathematics or both. the
A professor needs to select a volunteer for a project .which of the following would not be an example of a simple random sample ?A)he chooses a number between 00 and 99.
Outside a home, there is a 4 keypad with letters, A, B, C, D that can be used to open the garage if the correct four-letter code is entered. Each key may be used only once. How many codes are possible?
In the opening sections, we reported the result of an opinion poll of 100 undergraduate chemical engineering students in the United States: 75 of the students prefer "closed-book" exams to "opened-book" ones.
address the issue of extrapolation and using regression equations to forecast far into the future. explain the dangers
during each day the probability that your computers operating system crashes at least once is 5 independent of every
a box contains ten tickets four marked with a positive number and six with a negative number. all the numbers are
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