What is the answer (11/12 ) (-2.1/16) (2 1/16) (-11/12)

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.)

Is the response to the survey question "did you smoke in the last week question mark "response to the survey question "did you smoke in the last week? " a discrete random variable, a continuous random variable, or not a random variable?

You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?