What is the probability exactly 5 travelers plan

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A recent study revealed that 50% of business travelers plan their trips less than two weeks before departure. The study is to be replicated with a sample of 12 frequent business travels.

a. What is the probability exactly 5 travelers plan their trips within two weeks of departure?

b. What is the probability 5 or fewer travelers plan their trips within two weeks of departure?

c. Calculate the expected value and the standard deviation.

Reference no: EM132394212

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