Mathematics, 06.12.2019 07:31 kalebrayburn62

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)

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 22.06.2019 00:00, cutie22327

This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer

Answers: 1

continue

Mathematics, 22.06.2019 00:00, gildedav001

When a 757 passenger jet begins its descent to the ronald reagan national airport in washington, d. c., it is 3900 feet from the ground. its angle of descent is 6 degrees. how far must the plane fly to reach the run way? a. 37,106 ft b. 37,310.4 ft c. 23,456.6 ft d 2,492.7 ft

Answers: 2

continue

Mathematics, 22.06.2019 01:30, huwoman

Care repairs are less than or equal to $500

Answers: 2

continue

Mathematics, 22.06.2019 02:00, nadinealonzo6121

Identify the percent of change as an increase or a decrease. 75 people to 25 people response - correct increase decrease question 2 find the percent of change. round to the nearest tenth of a percent.

Answers: 3

continue

You know the right answer?

Question 1
(15 marks)
a school has three form 6 classes, a, b and c, and three elective...