The population proportion of those who think the school year should be lengthened is definitely greater than the proportion of those who think it should remain the same.B. The population proportion of those who think the school year should be lengthened is definitely less than the proportion of those who think it should remain the same.C. The population proportion of those who think the school year should be lengthened is definitely equal to the proportion of those who think it should remain the same.

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