In a certain class, the ration of passing grades to failing grades is 9 to 3. if 17 grades were failing, how many passing grades were there?

Which term best describes the association between variables a and b

Suppose that an airline uses a seat width of 16.516.5 in. assume men have hip breadths that are normally distributed with a mean of 14.414.4 in. and a standard deviation of 0.90.9 in. complete parts (a) through (c) below. (a) find the probability that if an individual man is randomly selected, his hip breadth will be greater than 16.516.5 in. the probability is nothing. (round to four decimal places as needed.)

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?