Every summer, Madison goes on a week- long canoe trip with her childhood camp friends. After the trip, she usually purchases some oars from the destination city. Her collection of oars is organised by year and type of wood. The probability that an oar was purchased in 2013 is 0.4, the probability that it was made from spruce wood is 0.4 and the probability that it was purchased in 2013 and was made from spruce wood is 0.1. What is the probability that a randomly chosen oar was purchased in 2013 or was made from spruce wood?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Every summer, Madison goes on a week-
long canoe trip with her childhood camp
friends. After the trip, she usually
purchases some oars from the destination
city. Her collection of oars is organised by
year and type of wood.
The probability that an oar was
purchased in 2013 is 0.4, the probability
that it was made from spruce wood is 0.4
and the probability that it was purchased
in 2013 and was made from spruce wood
is 0.1.
What is the probability that a randomly
chosen oar was purchased in 2013 or was
made from spruce wood?
Transcribed Image Text:Every summer, Madison goes on a week- long canoe trip with her childhood camp friends. After the trip, she usually purchases some oars from the destination city. Her collection of oars is organised by year and type of wood. The probability that an oar was purchased in 2013 is 0.4, the probability that it was made from spruce wood is 0.4 and the probability that it was purchased in 2013 and was made from spruce wood is 0.1. What is the probability that a randomly chosen oar was purchased in 2013 or was made from spruce wood?
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