The scores of 15 students in a quiz competition are: 2, 6, 4, 7, 6, 8, 9, 5, 3, 5, 4, 2, 8, 7, 6 (a) Calculate the mean of the scores. (b) If a score is chosen at random, find the probability that it is: (i) an even number;

The scores of 15 students in a quiz competition are: 2, 6, 4, 7, 6, 8, 9, 5, 3, 5, 4, 2, 8, 7, 6 (a) Calculate the mean of the scores. (b) If a score is chosen at random, find the probability that it is: (i) an even number;

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Question

The scores of 15 students in a quiz competition are: 2, 6, 4, 7, 6, 8, 9, 5, 3, 5, 4, 2, 8, 7, 6.
(a)
Calculate the mean of the scores.
(b)
If a score is chosen at random, find the probability that it is:
(i) an even number;

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