21 divided 4 equals 5 1/4 in a word problem

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?

Which is the best estimate of the product of 0.9 x 0.88? 0 0.25 0.5 1

The price of one share of a company’s stock declined $13.89 every day for 2.5 days what was the stocks total decline in price