A student correctly answers a quiz question 80% of the time. Which simulation tool could model the outcome of the next question?

Flipping a coin, where heads is 'correct'.

Rolling a die, where 1-4 is 'correct'.

A bag with 4 red and 1 blue marble, where red is 'correct'.

A spinner with 4 equal sections, where 3 sections are 'correct'.

A weather forecast states a 75% chance of a sunny day. Which of these is a valid simulation for the weather tomorrow?

Rolling a die, with odd numbers for 'sunny'.

Flipping a coin, with heads for 'sunny'.

A spinner with four equal sections, with 3 labeled 'sunny'.

Drawing a marble from a bag with 7 sunny and 5 cloudy.

To make sure you don't lose the marbles.

To keep the probability the same for every trial.

To speed up the simulation process.

To make the outcomes truly random.