# Statistics and Probability Quiz

## Make sure to try these on a piece of paper first

The following data table shows how far a student can throw a ball, given their age.

a) Use the data to write an equation in the form $latex y=ax+b$.

b) Hence or otherwise, how far could a 24 yr old student throw a ball?

You throw a coin in the air, but it is not a fair coin. The probability of obtaining a ‘tails’ is 0.61. If you toss the coin 20 times, calculate the probability of obtaining

a) exactly 7 ‘tails’.

b) more than 11 ‘tails’.

**This question is part of theMath SL Online Revision Course**

(but keep in mind that at least the first question of each topic is free!)

**This question is part of theMath SL Online Revision Course**

(but keep in mind that at least the first question of each topic is free!)

**This question is part of theMath SL Online Revision Course**

(but keep in mind that at least the first question of each topic is free!)

**This question is part of theMath SL Online Revision Course**

(but keep in mind that at least the first question of each topic is free!)

**This question is part of theMath SL Online Revision Course**

(but keep in mind that at least the first question of each topic is free!)

**This question is part of theMath SL Online Revision Course**

(but keep in mind that at least the first question of each topic is free!)

**This question is part of theMath SL Online Revision Course**

(but keep in mind that at least the first question of each topic is free!)

**This question is part of theMath SL Online Revision Course**

(but keep in mind that at least the first question of each topic is free!)