EXAMPLE 3 Computers in a shipment of 100 units contain a portable hard drive, solid-state memory, or both, according to the following table: Portable Hard Drive Solid-state memory Yes No Yes 15 80 No 4 1 Two computers are selected randomly, with replacement, from the the shipment. What is the probability mass function of the number of computers in the sample having both Portable Hard Drive and Solid-state memory?
EXAMPLE 3 Computers in a shipment of 100 units contain a portable hard drive, solid-state memory, or both, according to the following table: Portable Hard Drive Solid-state memory Yes No Yes 15 80 No 4 1 Two computers are selected randomly, with replacement, from the the shipment. What is the probability mass function of the number of computers in the sample having both Portable Hard Drive and Solid-state memory?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Transcribed Image Text:EXAMPLE 3
Computers in a shipment of 100 units contain a portable hard drive,
solid-state memory, or both, according to the following table:
Portable Hard Drive
Solid-state memory Yes
No
Yes
15
80
No
4
1
Two computers are selected randomly, with replacement, from the
the shipment. What is the probability mass function of the number
of computers in the sample having both Portable Hard Drive and
Solid-state memory?
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