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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