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Test for single Proportion.

One kind of plant has only blue flowers and white flowers. According to a genetic model, the offspring of a certain cross have a 75% chance to be blue flowering, and a 25% chance to be white flowering, independently of one another. Two hundred seeds of such a cross are raised, and 142 turn out to be blue flowering. Are the data consistent with the model? Answer yes or no, and explain briefly.

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