Completion requirements
This lecture series introduces the concept of probability and gives examples of calculating basic probability. Watch the videos and complete the interactive exercises.
Practice
Simple probability - Answers
1. \(\mathrm{P}(\) roll a 2\()=\frac{1}{6} \approx 0.17\)
2. \(\mathrm{P}(\) not a rap song \()=\frac{13}{22} \approx 0.59\)
3. \(\mathrm{P}(\) draw a black card \()=\frac{3}{10}=0.3\)
4. \(\mathrm{P}(\) beaver \()=\frac{1}{3} \approx 0.33\)
5. \(\mathrm{P}(\) draw a blue or red marble \()=\frac{16}{21} \approx 0.76\)
6. \(\mathrm{P}(\) not a birthday card \()=\frac{7}{21} \approx 0.33\)
7. \(\mathrm{P}(\) blue \()=\frac{1}{4}=0.25\)