A consumer organization estimates that over a​ 1-year period 17%of cars will need to be repaired​ once, 8% will need repairs​ twice, and 2% will require three or more repairs. If you own two​ cars, what is the probability that
​a) neither will need​ repair? ​
b) both will need​ repair? ​
c) at least one car will need​ repair?