There are 500 ball bearings in a box of which 100 are known to be undersize. Three ball bearings are selected at random. What is the
probability that:
a) all three are undersize b) none are undersize?
Give your answers as decimals correct to three significant figures.

pls help and show work!!!

Answer asap ! the shortest path from point a to point b goes through a pond. to avoid the pond, you must walk straight 34 meters along one edge of the pond, then take a 90 degree turn, and again walk straight 41 meters along another edge of the pond to reach point b. about how many meters would be saved if it were possible to walk through the pond? a. 11 m b. 20 m c. 30.45 m d. 21.73 m

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Which statement about the annual percentage rate (apr) is not true?