The distribution of the difference of proportions approximates the normal standard distribution only if:

  • A \( n \geq 30 \)
  • B \( n < 30 \)
  • C \( n \geq 50 \)
  • D \( n = 50 \)
statistics

The correct answer is A. \( n \geq 30 \)

The Central Lim....

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