Astore-it-all storage facility requires users to enter a four digit code, using numbers 0-9, to get through the gate. you need to get a box of winter clothes from your storage container, but you forgot the code. how many possible codes are there if the digits cannot be repeated? what is the probability that you will guess the correct code on your first try? p(correct code) =

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.