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Answer: 0.56

Explanation:

Given: Probability that Avacia tree grow small = 0.2

⇒Probability that Avacia tree grow large = 1-0.2=0.8 [Total probability =1]

Probability that Birch tree grow small = 0.4

⇒ Probability that Birch tree grow large= 1-0.4 = 0.6

The probability that both trees will grow to the same size = P(Both large)+P(Both small)

= 0.2 x 0.4 + 0.8 x 0.6 [Events are independent]

= 0.08+0.48

=0.56

Hence, the probability that both trees will grow to the same size = 0.56

User Cipriani
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