If you roll a number cube 90 times, how many times do you expect to roll a 3?

In the film, zeke the zombie slayer versus the zombies from space, zeke slayed 140 zombies. in the sequel, zeke the zombie slayer versus the zombies from space, part 2, he slayed 5% more zombies. how many zombies were slain by zeke in the sequel?

Let event a = you roll an even number on the first cube. let event b = you roll a 6 on the second cube. are the events independent or dependent? why?

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?