The schools and students were selected at random, said a spokeswoman, and the questions took various forms.
"Right now, it's feeling kind of random," said Jennifer Duffy, a political analyst for The Cook Political Report, a nonpartisan newsletter.
"This isn't random," said Alfred Mutua, a government spokesman.
"He was just firing away at random," said Robert Giugliano, a passenger shot in the chest.
"What we do is really not random, even though it may appear random," says Albert-László Barabási, a physicist at Northeastern University who is one of the paper's authors.
In this case they picked a random number, say $200,000, and said their "wind-powered" "digital" "lunar phase" watch is the cat's pajamas.
The operation is "more than a random hunt," said Sedat Laciner, director of the International Strategic Research Organization, based in Ankara.
"Finding it was a random chance," said Zhukova, the partner of billionaire Chelsea football club owner Roman Abramovich.
"Right now, we consider the murders to be a random act," said Trooper First Class Roger Beaupré, a spokesman for the Connecticut State Police.
He was preparing to board a Delta Air Lines flight back to Atlanta when he was selected for a random search, said Larry Cox, president of the Memphis-Shelby County Airport Authority.
