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The age of trees in a forest is known to be approximately normal with an average age of 40 years and a standard
deviation of 10 years. What is the standardized score for a tree that is 34 years old?
A. 1.90
B.-0.60
C. -1.90
D. 0.60

Sagot :

Answer:

B -o.60

Step-by-step explanation:

34 - 40 = -6.  -6 divide by 10 = -3/5 or - 0.6. So answer is B

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