Which of the following would be an example of the use of inferential statistics? you have your entire class's math grades, and you calculate the average math grade for your class. you have your entire class's math grades and you use the grades to find the average math grade for everyone in your school who's taken the same math course. you have your entire class's math grades, and you use these grades to estimate the average math grade for the same math course at another school.

The probability that a u. s. resident has traveled to canada is 0.18 and to mexico is 0.09. a. if traveling to canada and traveling to mexico are independent events, what is the probability that a randomly-selected person has traveled to both? (page 109 in the book may ) b. it turns out that only 4% of u. s. residents have traveled to both countries. comparing this with your answer to part a, are the events independent? explain why or why not. (page 119 may ) c. using the %’s given, make a venn diagram to display this information. (don’t use your answer to part a.) d. using the conditional probability formula (page 114 in the book) and the %’s given, find the probability that a randomly-selected person has traveled to canada, if we know they have traveled to mexico.