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(a) A genetic model suggests that 80% of plants grown from a cross between two given strains of seeds will be of the dwarf variety. After breeding 202 of these plants, 153 were observed to be of the dwarf variety. Do these data strongly contradict the genetic model? Find the p-value.

(b) At the 5% significance level, what is the conclusion of the above hypothesis test?

Would you mind showing calculations as well. Would very much appreciate an explanation!

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