a Draw this Venn diagram with numbers assigned to the eight regions.
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:3 In a survey, 91 people were asked about
what devices they use to listen to music. In
total, 59 people used a streaming service to
listen to music, 44 used a mobile device and
29 used vinyl. Also, 22 people used both
a streaming service and a mobile device, 9
used both a mobile device and vinyl and 20
people used only a streaming service. Finally,
8 people said they used all three devices.
a Draw this Venn diagram with numbers
assigned to the eight regions.
U
M
Hence find the probability that a person
chosen at random from those surveyed:
b listens to music on exactly one device
c listens to music on exactly two devices.
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