What is the probability that a Pokemon only knows growl?

Mathematics
Tutor: None Selected Time limit: 1 Day

40% of Pokemon know tackle, 60% know tail whip, and 65% know growl. 25% know tackle and growl, 15% know tackle and tail whip, and 30% know tail whip and growl. 5% know all 3 moves.

a. 5%

b. 15%

c. 20%

d. 25%

May 9th, 2015

Set up the Venn Diagram

Since 25% know tackle and growl, 30% know tail whip and growl, and 5% know all three moves...that leaves,

65% - (25% + 30% + 5%) = 65% - 60% = 5% who only know growl.

Choice a.

May 9th, 2015

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May 9th, 2015
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May 9th, 2015
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