For each situation below, determine

(1) If the variable(s) is(are) discrete or continuous, and

(2) If the information involves certainty, risk, and/or uncertainty.

(a) A friend in real estate tells you the price per square foot for new houses will go up slowly or rapidly during the next 6 months.

(b) Your manager informs the staff that there is an equal chance that sales will be between 50 and 55 units next month.

(c) Jane got paid yesterday and $800 was taken out in income taxes. The amount withheld next month will be larger because of a pay raise between 3% and 5%.

(d) There is a 20% chance of rain and a 30% chance of snow today.

(e) The first cost of a new front-end loader is $34,000 or $38,000 depending on the size purchased.