Seven houses on a block have values of 105,000, 110,000, 110,000, 117,000, 125,000, 135,000, and 138,000 when the eighth home is built on the block the average home value for the block is 122,750 what is the value of the new home

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?