2 A basket in a stationery store contains a total of 400 marker and highlighter pens. Of the marker pens, some are permanent and the rest are non-permanent. The colours and types of pen are shown in the table. Colour Туре Black Blue Red Green Permanent marker 44 66 32 18 Non-permanent marker 36 53 21 10 Highlighter 41 37 42 A pen is selected at random from the basket. Calculate the probability that it is: (a) a blue pen; (b) a marker pen; (c) a blue pen or a marker pen; (d) a green pen, given that it is a highlighter pen; (1 mark) (2 marks) (2 marks) (2 marks) (e) a non-permanent marker pen, given that it is a red pen. (2 marks)
2 A basket in a stationery store contains a total of 400 marker and highlighter pens. Of the marker pens, some are permanent and the rest are non-permanent. The colours and types of pen are shown in the table. Colour Туре Black Blue Red Green Permanent marker 44 66 32 18 Non-permanent marker 36 53 21 10 Highlighter 41 37 42 A pen is selected at random from the basket. Calculate the probability that it is: (a) a blue pen; (b) a marker pen; (c) a blue pen or a marker pen; (d) a green pen, given that it is a highlighter pen; (1 mark) (2 marks) (2 marks) (2 marks) (e) a non-permanent marker pen, given that it is a red pen. (2 marks)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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![2 A basket in a stationery store contains a total of 400 marker and highlighter pens. Of the
marker pens, some are permanent and the rest are non-permanent. The colours and types of
pen are shown in the table.
Colour
Туре
Black
Blue
Red
Green
Permanent marker
44
66
32
18
Non-permanent marker
36
53
21
10
Highlighter
41
37
42
A pen is selected at random from the basket. Calculate the probability that it is:
(a) a blue pen;
(b) a marker pen;
(c) a blue pen or a marker pen;
(d) a green pen, given that it is a highlighter pen;
(1 mark)
(2 marks)
(2 marks)
(2 marks)
(e) a non-permanent marker pen, given that it is a red pen.
(2 marks)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe7cb55a5-d340-4175-b7d8-3747fb6671b2%2Fefbed2fb-5562-4ee9-a5d0-892ecd15e395%2F5laaqzk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2 A basket in a stationery store contains a total of 400 marker and highlighter pens. Of the
marker pens, some are permanent and the rest are non-permanent. The colours and types of
pen are shown in the table.
Colour
Туре
Black
Blue
Red
Green
Permanent marker
44
66
32
18
Non-permanent marker
36
53
21
10
Highlighter
41
37
42
A pen is selected at random from the basket. Calculate the probability that it is:
(a) a blue pen;
(b) a marker pen;
(c) a blue pen or a marker pen;
(d) a green pen, given that it is a highlighter pen;
(1 mark)
(2 marks)
(2 marks)
(2 marks)
(e) a non-permanent marker pen, given that it is a red pen.
(2 marks)
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