Suppose that scores have a bell-shaped distribution with a mean of 97 and a standard deviation of 18. Using the empirical rule, what percentage of IQ scores are greater tha 79? Please do not round your answer .

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expressions 4s +9s represents the total number of items that will be displayed on s shelves. simplify this expression

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

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?