18. A spinner has ten sectors in different colours. The sectors are different sizes. Here are the probabilities of scoring three of ten colours: Colour Red Probability 0.1 Blue 0.2 Yellow 0.05 The spinner is spun. Find the probability that the colour is: (a) not red (b) not red or blue (c) not red or blue or yellow
18. A spinner has ten sectors in different colours. The sectors are different sizes. Here are the probabilities of scoring three of ten colours: Colour Red Probability 0.1 Blue 0.2 Yellow 0.05 The spinner is spun. Find the probability that the colour is: (a) not red (b) not red or blue (c) not red or blue or yellow
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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Transcribed Image Text:18. A spinner has ten sectors in different colours. The
sectors are different sizes. Here are the probabilities
of scoring three of ten colours:
Colour
Red
Probability
0.1
Blue
0.2
quinraum
Yellow
0.05
The spinner is spun. Find the probability that the colour is:
(a) not red
(b) not red or blue
(c) not red or blue or yellow
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