Davina has a large cellar for her wine bottles and also a small fridge dedicated to wine storage in her kitchen. davina hosts a dinner party every evening and uses one bottle per day. being very fussy, she does not like any bottle of her wine to be exposed to the light more than 12 times, including the time she first transfers it to her cellar, each time the cellar door is opened, each time the fridge door is opened and, finally, on the day when she drinks it. to avoid wasting any wine, what is the largest number of bottles she should order each time she needs more wine?

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.