A student survey studied the amount of time students spent watching TV and exercising. Let yequalsexercise and xequalswatch TV. One student reported watching TV an average of 150 minutes a day and exercising 90 minutes a day. This person's residual was 48.1 and standardized residual was 3.45. a. Use the residual to find the predicted value of exercise. ModifyingAbove y with caretequals nothing

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?