Statistic Homework

Question 1

During the recent graduation season in UK a total of 8000 students graduated from three different universities University of London , University of Oxford and Durham university. Of the 8000 graduates, 4000 students graduated from University of London, 3000 students graduated from University of Oxford, while the rest of the students graduated from Durham university. A total of 85 out of every 100 students from University of London graduated from their Business School, while at University of Oxford, 65 out of every 100 students graduated from their Business School, and at Durham university, 60 out of every 100 students graduated from their Business School. The Department of Education, randomly selects a student who graduated during this graduation season:

1.1)Find the probability that the selected graduate is from a Business School.

1.2)Calculate the probability that the randomly selected graduate from a Business School is from University of Oxford.

Question 2

A company's sales for the years 2010 to 2018 were as follows: ( x N$ 10 000 )

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