20 POINTS On a certain day the chance of rain is 80% in San Francisco and 30% in Sydney. Assume the chance of rain in the two cities is independent. What is the probability that it will not rain in either city?

P(No rain in San Francisco AND No rain in Sydney)

Of the following, which statement or statements accurately reflect a way in which credit can be safer than cash? i. if your credit card gets stolen, you can cancel it and get your money back. ii. it is harder to lose a single credit card than a large number of bills. iii. if a merchant does not honor the agreement, you can call the credit company and dispute the charges. a. i and iii b. ii only c. iii only d. i, ii, and iii