HELP PLZ BRAILIEST HELP IM GETTING TIMED

When y’all answer can y’all explain too !

Joanie watched 1 out of three of a movie in the morning

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p.mc) knowing that it is going to rain tomorrow, and going to bed before 9 p.md) knowing that you have a test in school tomorrow, and studying thw night before