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According to the College Board's report, the average tuition and fees at four year private colleges and universities in the United States was $20,273 for the academic year 2002 - 2003 and the standard deviation was $4100. For a random sample of 100 four year private U.S. colleges:
a. What is the mean of the sampling distribution?
b. What is the standard deviation of the sampling distribution?
c. What is the probability that the mean tuition and fees of the sample is greater than $20,000?
d. What is the probability that the mean tuition and fees of the sample is less than $18,000?
e. What is the probability that the mean tuition and fees of the sample is within $410 of the population mean?
A business journal investigation of the performance and timing of corporate acquisitions discovered that in a random sample of 2,963 firms, 610 announced one or more acquisitions during the year 2000.
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The turtle never stopped for a break, but his pace was only 1km/hr. How long will the rabbit run before it catches the turtle?
Consider an experimental procedure to measure the average volume of M&M Peanut candies. One hundred piece of the candy are poured into a graduated cylinder with a 30 diameter.
A plane is heading due south with an airspeed of 282 mph. A wind from a direction of 57 degrees is blowing at 15 mph. What is the ture course and gournd speed of the airplane?
Create an Euler diagram to determine whether the syllogism is valid or invalid: Some nurses are patient.
Prove that the regression line passes through the centroid
a television network has eight 60-minute time slots for dramas and has 15 shows to choose from for the fall lineup. How many different lineups are possible?
An industrial tank (a solid formed by adjoining two hemispheres to the ends of a right circular cylinder) must have a volume of 4000 cubic feet. The hemispherical ends cost twice as much per square foot of surface area as the sides. Find the dimen..
why is it important to simplify radical expressions before adding or subtracting? how is adding radical expressions
Give a sketch of the graph of the function V(t). Your graph can be a "rough draft" and evaluate the value of the fax machine in years 0, 1 and 4. to the nearest tenth.
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