There are 23 students in mes smith class each student sold 5 pta memberships at$6 each. mra smith class won the pta membership drive contest, and each student received four ice cream coupons and 25 stickers

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