The chance that it will be cloudy on a single day is simulated by rolling a standard number cube twice. How many times will the number cube need to be rolled to simulate a week? 14 times. It is rolled twice for each day and there are 7 days in a week, so 14 rolls are needed. 7 times. It is rolled once for each day of the week.

5 times. It is rolled once for each day Monday-Friday.

21 times. It is rolled three times for each day.