Question 1
(15 marks)
a school has three form 6 classes, a, b and c, and three elective courses, economic,
arts and chemistry. it collects the following data on the number of student at each class
in each elective course:
elective course
arts
chemistry
economic
23
class a
class b
14
class c
34
a)
if we pick a student at random, what is the probability that the student is in class
(4 marks)
c?
b)
if we pick a student at random, what is the probability that the student is in class a
and at economic course?
(5 marks)
c)
if we pick a student at random from class b, what is the probability that the student
is at chemistry course?
(6 marks)

Gexpressions: practice question 3 of 5 jackson wants to study the popularity of his music video by tracking the number of views the video gets on his website. the expression below represents the total number of views that jackson's video receives n days after he begins tracking the nu views, where b is the rate at which the number of views changes. alb)" select the statement that would accurately describe the effect of tripling a, the initial number of views before jackson beginst the rate at which the number of views changes, b, will triple. the total number of views the video has after n days, a(b)", will not change. the total number of days since jackson begins tracking views, n, will be reduced by one-third. the total number of views the video has after n days, alb)", will triple. submit