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MMLU-Pro / 8883 / Players in the National Football League weigh, on average, about 248 pounds with…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

Players in the National Football League weigh, on average, about 248 pounds with a standard deviation of about 47 pounds. If four players are to be selected at random, the expected value of the random variable W, the total combined weight of the four players, is 992 pounds. The standard deviation of Wis approximately

category

math

options

  1. 94 pounds
  2. 80 pounds
  3. 47 pounds
  4. 50 pounds
  5. 75 pounds
  6. 188 pounds
  7. 141 pounds
  8. 67 pounds
  9. 110 pounds
  10. 120 pounds

src

ori_mmlu-high_school_statistics

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Source and history

Official source

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