Abag contains 3 marbles and 6 blue marbles. what is the probability of randomly selecting a red marble from the bag?

What is the area of the trapezoid shown ?

What are different types of statistical programs

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