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Tree Diagrams – answers

July 10, 2017

Workout

Question 1: (a)

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(b)   0.25

(c)  0.25

(d)  0.75

Question 2:  (a)

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(b)  0.12

(c)  0.46

(d)  0.58

Question 3: (a)

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(b)   0.56

(c)  0.14

(d)  0.94

Question 4: (a)

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(b)   6/15  (2/5)

(c)   7/15

Question 5:  (a)

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(b)   25/81

(c)   40/81

(d)   16/81

Question 6: (a)

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(b)  0.81

Question 7(a) :

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(b)  36 days

Apply

Question 1(a)

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(b)  0.71

Question 2:  0.51

Question 3:   (a)   x = 0.125     (b)   0.765625

Question 4:   (a)

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(b)   0.02

Question 5: (a)

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(b)   23/24

Question 6(a):

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(b)   42/90   (7/15)

(c)   48/90   (8/15)

Question 7(a)

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(b)   11/40  (0.275)

Question 8(a)

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(b)  x = 9

(c)  5/12

 

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