A box contains n white balls and m blue balls. Balls are drawn at random and with replacement until a blue ball is drawn. What is the probability that (a) exactly n draws are required (b) At least n draws are required.

I have a kitten with both eyes infected. They are gunky and one is beginning to shut because the stuff is drying on. The boogery looking stuff is yellowish. She also doesn't meow, I think she may have ingested some of it. I am looking for any home treatment and trying everything possible to nurse...

What is the cause of both left and right eye balls not moving to left or right, up or down?

My daughter aged 21 years now, has problem of her vision from the last 5 years.She sees black spring or earthworm type like objects in the air or whenever she sees at white background surfaces and at sky etc.We showed her to a retina specialist last 5 years back.He told us that it is "Lattice...

About a month ago my 6 year old was bitten by a tick on his balls my mother and law said she pulled the tick out head and all with some twizzers, his balls were red and had a knot on them I took him to the doctor the next day to have it examined well the doctor gave him some antibotics and said to...