A student owns 15 pencils, 9 are mechanical pencils and 6 are wooden pencils. They pull a pencil out of cheir backpack randomly. The person beside them asks for a pencil and they randomly grab one. What is the probability that the first pencil they grabbed was mechanical and the second one was wooden. Round your answer to three decimal places.
A student owns 15 pencils, 9 are mechanical pencils and 6 are wooden pencils. They pull a pencil out of cheir backpack randomly. The person beside them asks for a pencil and they randomly grab one. What is the probability that the first pencil they grabbed was mechanical and the second one was wooden. Round your answer to three decimal places.
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:A student owns 15 pencils, 9 are mechanical pencils
and 6 are wooden pencils. They pull a pencil out of
their backpack randomly. The person beside them
asks for a pencil and they randomly grab one. What is
the probability that the first pencil they grabbed was
mechanical and the second one was wooden.
Round your answer to three decimal places.
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