Suppose you know that the amount of time it takes your friendSusan to get from her residence to class averages 50minutes, with a standard deviation of 55 minutes. What proportionof Susan's trips to class would take more than 50minutes? . Enter your answers accurate to two decimal places.
What proportion of her class would take more than 50minutes?
What proportion of Susan's trips to class would take less than40 minutes?
What proportion of Susan's trips to class would take morethan 50 minutes or less than 40 minutes?
