days/price <150k 150-199.9k 200-250k >250k total <30 30 15 18 7 77 30-90 30 112 210 22 374 >90 6 60 75 8 149 total  73 187 303 37 600                                                             find p (30-60 days or 150 k < price < 250K )

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