A collector has captured thirty-one Anachronism-type small monsters. Each Anachronism-type small monster has a 27% chance of being a Phlogiston-subtype and a 47% chance of being an Aether-subtype; it cannot be both. What is the probability that exactly seven of the captured small monsters are Phlogiston-subtypes? What is the probability of all but five of the captured small monsters being either Phlogiston- or Aether- subtypes, with those five being plain Anachronism-type monsters of neither subtype? What is the probability that all thirty-one captured small monsters are either Phlogiston- or Aether- subtypes, with no plain Anachronism-type monsters captured?

A collector has captured thirty-one Anachronism-type small monsters. Each Anachronism-type small monster has a 27% chance of being a Phlogiston-subtype and a 47% chance of being an Aether-subtype; it cannot be both. What is the probability that exactly seven of the captured small monsters are Phlogiston-subtypes? What is the probability of all but five of the captured small monsters being either Phlogiston- or Aether- subtypes, with those five being plain Anachronism-type monsters of neither subtype? What is the probability that all thirty-one captured small monsters are either Phlogiston- or Aether- subtypes, with no plain Anachronism-type monsters captured?

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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