Need lots of lots of points if a plane crosses through the vertex of rectangular pyramid perpendicular to its base, what would be the 2-d cross section? triangle square circle rectangle

Airline passengers arrive randomly and independently at the passenger-screening facility at a major international airport. the mean arrival rate is 10 passengers per minutes. compute the following probabilities. p(x = 4) p(x > 11)

On a architect's drawing of a house, 1 inche representa 1.5

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)