the weights of pumpkins at a certain pumpkin patch can be modeled by a normal distribution. the farmer who grew the pumpkins believes that his crop of pumpkins has a mean weight of 14 pounds. by weighing the pumpkins, the farmer also knows that a pumpkin weighs more than 15.5 pounds 20% of the time. what is the standard deviation of the weight of the pumpkins? select the answer below closest to the answer you find. question 5 options:



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