StatisticsGroup of Students at University of Bedfordshire Test in Marketing - Statistics Assignment Help
Jun 08, 2022
A group of students at University of Bedfordshire took a test in Marketing and they needed to score 50 to pass. The results showed that the final grades have a mean of 62 and a standard deviation of 8. Suppose we can approximate the distribution of these grades by a normal distribution. Based on this information, you are required to perform the following:
(a) What percentage (to 3 decimal places) of the students scored more than 78?
(b) What percentage (to 3 decimal places) of the students scored under 50?
(c) What percentage (to 3 decimal places) of the students scored between 60 and 89?
(d) Draw a normal distribution curve for each of the above ((a)-(c)), showing clearly the X, Z and the shaded region.
This Statistics Assignment has been solved by our Statistics Experts at Assignmentsample. Our Assignment Writing Experts are efficient to provide a fresh solution to this question. We are serving more than 10000+Students in Australia, UK & US by helping them to score HD in their academics. Our Experts are well trained to follow all marking rubrics & referencing style
Be it a used or new solution, the quality of the work submitted by our assignment Experts remains unhampered. You may continue to expect the same or even better quality with the used and new assignment solution files respectively. There’s one thing to be noticed that you could choose one between the two and acquire an HD either way. You could choose new assignment solution file to get yourself an exclusive, plagiarism (with free Turnitin file), expert quality assignment or order an old solution file that was considered worthy of the highest distinction