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Ten fourth graders are randomly selected. The random variable represents the number of fourth graders who own a smartphone. F





math   Statistics-And-Probability   
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Answer #1
  • The probability of owning a smartphone is the same for all fourth graders

For an experiment to be binomial, the probability of success should be the same for all trials. This condition is satisfied only if the probability of owning a smartphone is the same for all fourth graders.

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