Question: Consider the following binomial experiment:A study in a certain community showed that 6% of the people suffer from insomnia.If there are 10,200 people in this

  1. Consider the following binomial experiment:A study in a certain community showed that 6% of the people suffer from insomnia.If there are 10,200 people in this community, what is the standard deviation of the number of people who suffer from insomnia?
  2. Consider the following binomial experiment:The probability that a fuse produced by a certain company will be defective is7100.If 500 fuses are produced each day, how many can weexpectto find each day that are defective ?
  3. Let Z be a standard normal variable.Find P(Z < -1.37).
  4. Let Z be a standard normal variable. Find P(Z > -1.32).
  5. Let Z be a standard normal variable.Find P(0.5 < Z < 2.51).
  6. Let Z be a standard normal variable.Find the value ofzifzsatisfies P( -z< Z <z) = 0.7062.
  7. Let Z be a standard normal variable.Find the value ofzifzsatisfies P(Z >z) = 0.6331.

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