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You must first normalize this in order to use a Z-score table. To convert what you have into a Z score you must use this formula: (x- mean) /standard deviation. In your case (334-310)/12=2. So now you want the probability that a score is greater than 334, which in turn means you want P(Z>2)=1-P(Z<2)=1-.9772=0.0228=2.28%.
Answer:
the building is 28m
Step-by-step explanation:
1. 27
2. 13
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First, u do -9+8x-4+8
Then, U simplify. The answer is 8x-5
