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Expected number that will be vaccinated

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Federal health officials estimate that 67% of all those over age 65 receive the flu vaccine. Suppose 8 people over 65 will be randomly selected.

Which of the following is the expected number that will be vaccinated in such a random sample of 8 people (including an appropriate symbol and units)?

  • μ = 5 people
  • μ = 5.36 people
  • xbar = 5 people
  • xbar=5.36people

What is the probability that exactly 5 people in the sample wlil have been vaccinated?

Reference no: EM13944869

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