norahness27 norahness27
  • 05-04-2024
  • Mathematics
contestada

According to Krispy Kreme, the original glazed doughnuts are 8 cm in diameter. Let's assume that the standard deviation is 0.5 cm.



For a randomly selected 30 doughnuts, what is the probability that the average diameter is between 7.8 and 8cm? Keep four decimal places.

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