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(Step-by-Step) The compressive strength of samples cement can be modeled by a normal distribution with a mean of 6000 kilograms per square centimeter and a

Question: The compressive strength of samples cement can be modeled by a normal distribution with a mean of 6000 kilograms per square centimeter and a standard deviation of 100 kilograms per square centimeter.

  1. What is the probability that a sample’s strength is less than 6250 kg/cm 2 ?
  2. What is the probability that a sample’s strength is between 5800 and 5900 kg/cm 2 ?
  3. What strength is exceeded by 95% of samples?

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