Answer:
X follows a Binomial Distribution with n = no. of questions and p = ¼
X ~ B(n , 0.25)
Step-by-step explanation:
I used my calculator, so they should be correct.
It says that the value of a box above two boxes is found by adding the expressions in the two boxes. I filled in the boxes. The top box is 13x + 30, or option B.
I’m pretty sure they’re collinear. I’m so sorry if I’m wrong.