IMPORTANT

Do NOT replace or remove this notebook $($ipynb file$)!$ Each cell has unique nbgrader's metadata and ID which, if changed outside the nbgrader, ca pass the tests. Do NOT change the name of the file!

To receive any credit, don't forget to SUBMIT your notebook when you are done! You can have multiple submissions before the deadline; only the is saved, including its timestamp.

Before submitting, Validate your notebook to check if your codes pass all visible tests.

Make sure you fill in any cell with the comment # your code here. Remove or comment the command fail$()($in R$),$ or raise NotImplementedError $($in Python$)$ and place your code there

$]$: NAME $=$ "Lauren Rodriguez"

$[1]$: ## import libraries needed

## make sure you run this code first!

library $($testthat$)$

library $($digest$)$

library$($stringr$)$

Question $1$

In a certain high school, $11\%$ of the students like math, while $18\%$ of the students like chemistry.

Subpose we randomlv choose a student from this hiah school. Denote: