Hurry ! 200 senior high students were asked how long they had to wait in the cafeteria line for lunch. their responses were found to be normally distributed, with a mean of 15 minutes and a standard deviation of 3.5 minutes. how many students would you expect to wait more than 11.5 minutes?

Abaker makes 186 cookies. some are chocolate chip and some are oatmeal raisin, and both kinds are made with and without nuts, as shown in the table above. because they are more popular, the baker made 2/3 of the cookies chocolate chip. if a chocolate chip cookie is chosen at random, what is the probability that it will have nuts? a) 21/93 b) 21/62 c) 41/93 d) 21/41

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?