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A population of values has a normal distribution with μ=137.5 and σ=14.4. A random sample of...

A population of values has a normal distribution with μ=137.5 and σ=14.4. A random sample of size n=142

is drawn.

  1. Find the probability that a single randomly selected value is between 136 and 140.6. Round your answer to four decimal places.
    P(136<X<140.6)=
  2. Find the probability that a sample of size n=142 is randomly selected with a mean between 136 and 140.6. Round your answer to four decimal places.
    P(136<M<140.6)=  
Math   Statistics-And-Probability   
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