If events x and y are independent, what must be true? check all that apply.
ip(y|x) = 0
p(x|y) = 0
ip(y|x) = p(y)
p(y|x) = p(x)
p(x|y) = p(y)
p(xy) = p(x)

the answers are in the images, i received 100% on this assignment. hope this !

for a it would be 24 children.

for b i don't understand the question. is it saying for each individual person they pick 5 reds to 7 greens or is it the whole group. clarify and i hope this can you.

step-by-step explanation:

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."