A number cube is labeled 1 to 6. Richard Rolle the number Cube 500 times and record the results. About how many times, Richard expect to grow an even number?

250 times

Step-by-step explanation: This is because a number die is random and if it were based on even and odd, the chances would be 50/50

the answer is 8/21

hope this

there is only one way to arrange all the eight relative to each other because they are not distinct. we have

now there are nine places to place an (and not more than one in one place).   because we have four symbols, we need to choose four of these nine places to insert an . order does not matter because the are not distinct.

thus there are 1 · c(9,4) ways, or, if we calculate it,

thus there are 126 ways to form such "words."