Probability worksheets
Probability worksheets give students in Grade 11 to Grade 12 focused practice in probability. This page has 2 free printable sets, grouped by grade, and every set includes a computed answer key that is never wrong. Print them or save as a PDF, no login needed.
What's inside
- A normal distribution has mean 14 and standard deviation 7. Find the interval within 2 standard deviation(s) of the mean.
- A normal distribution has mean 12 and standard deviation 3. Approximately what percentage of values lie outside the interval 9 to 15 (more than 1 standard deviation(s) from the mean)?
- A normal distribution has mean 14 and standard deviation 15. Approximately what percentage of values are greater than 44 (more than 2 standard deviation(s) above the mean)?
- A normal distribution has mean 72 and standard deviation 15. Find the interval within 3 standard deviation(s) of the mean.
- A normal distribution has mean 69 and standard deviation 10. Approximately what percentage of values are greater than 89 (more than 2 standard deviation(s) above the mean)?
- A normal distribution has mean 76 and standard deviation 15. Approximately what percentage of values are greater than 106 (more than 2 standard deviation(s) above the mean)?
Sample questions. Each set (A, B, C…) has fresh numbers and a computed answer key.
Grade 11 Probability
Grade 12 Probability
Frequently asked questions
Are these probability worksheets free?
Yes. Every worksheet on ChalkBee is free to view and print or save as a PDF, with no login required. Pro unlocks the printable answer key and removes the watermark.
Do the worksheets have answer keys?
The answers are computed in code from the exact questions on each sheet. The printable answer key is available with Pro.
What grades do probability worksheets cover?
Probability worksheets on this page cover Grade 11 to Grade 12. There are 2 printable sets in total, grouped by grade so you can pick the right level.
How do I print or download them?
Open any set, then use your browser's print option to print it or to save it as a PDF. The pages are laid out to print cleanly on standard letter or A4 paper.