How to compute a p value and extract a critical value in R

https://www.tilestats.com 1. Compute a p-value from a t-distribution (2:14) 2. Extract a critical value from a t-distribution (04:36) 3. How to plot the t-distribution (07:09) 4. The standard normal distribution (08:30) 5. The f-distribution (09:10) 6. The chi-square distribution (09:58)