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A recent study revealed that 50% of business travelers plan their own business trips. The study...

  1. A recent study revealed that 50% of business travelers plan their own business trips. The study is to be replicated with a sample of 12 frequent business travels.
  1. What is the probability exactly 5 travelers plan their own trips?

  1. What is the probability 5 or fewer travelers plan their own trips?

  1. Calculate the expected value and the standard deviation.   
Math   Statistics-And-Probability   
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pmf and cdf of x is given in following table

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