Since the equation would be:
The inequality would be:
It would be :
The most there can be are 48 attendees.
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The complete question is as follows:
The admission directory of Big City University has a novel idea. He proposed using the IQ scores of current students as a marketing tool. The university agrees to provide him with enough money to administer IQ tests to 50 students. So the director gives the IQ test to an SRS of 50 of the university’s 5000 freshman. The mean IQ score for the sample is xbar=112. The IQ test he administered is known to have a σ of 15. What is the 95% Confidence Interval about the mean? What can the director say about the mean score of the population of all 5000 freshman?
Answer: The 95% confidence interval about the mean is 
.
The director can say that he is 95% confident that the mean IQ score of the 5000 freshmen lies between 107.84 and 116.16.
We follow these steps to arrive at the answer:
Since the population standard deviation of the IQ test is known, we can use the Z scores to find the confidence interval.
The formula for the confidence interval about the mean is:
In the equation above, X bar is known as the point estimate and the second term is known as Margin of Error.
The Critical Value of Z at the 95% confidence level is 1.96.
Substituting the values in the question in the equation above we have,
Answer:
If computers are produced mostly by capital and beer is produced mostly by labor, the H-O model predicts that
Germany will export computers in exchange for beer.
Explanation:
The H-O model or Heckscher-Ohlin theory is an economic model about the comparative advantages of nations in international trade. The model tries to explain the equilibrium of trade existing between two countries that have varying specialties and natural resources. According to the H-O model, countries export more goods and services for which they have plenty resources than they do for goods and services for which they have scarce resources. For example, if a country has capital in abundance, it will export more of capital-intensive products while it will import labor-intensive products, because it has scarce labor resources.
<span>Bob can claim Sara, but not Joan. To qualify for the Earned Income Credit, a child must be under the age of 19 (or under 24 if a student) or disabled, a child or direct descendant including grandchildren, living as a resident in your home with you for over half the year, having a valid social security number, and not claimed by someone else. Joan is not disabled or under 19, so she does not qualify. Sara is a direct descendant of Bob under 19 with a valid SSN who lives with him more than half the year, so she qualifies as long as Joan does not claim her.</span>
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