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Nat2105 [25]
3 years ago
6

Choose two. Two of the cultural similarities of early river valley civilizations were- 1. reduction in the amount of food needed

2. forming of organized government as population increased 3. overpopulation causing people to move from urban setting to rural one 4. conversion of more land to productive fields
Advanced Placement (AP)
1 answer:
svlad2 [7]3 years ago
7 0
2. Forming of organized government as population increased
4. Conservation of more land to productive fields
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3 years ago
Suppose R and Q are two events such that P(R)= .14, P(Q) = .52, and P(R∩Q)= .20, find P(RUQ), are the events mutually exclusive
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#

P(R I Q) = P(RnQ) / P(Q) = 0.1 Therefore P(RnQ) = 0.1 X 0.35 = 0.035 (The intersection in the centre of a Venn Diagram)

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P(RUQ) = 0.15 + 0.035 + 0.315 = 0.5 so 0.5 must be outside the Venn Diagram circles.

Explanation:

hope this helps

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