There are 15 sheep in a field as shown here:
1. How many sheep can say that there is at least one other sheep here of the same colour?
2. The farmer takes one sheep from the field at random. What is the probability it is
a) Yellow b) Blue c) Green d) Not red ?
[Give your answers as decimals to two decimal places]
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The wool on each of these sheep is of two different colours.
What is the probability of two sheep being picked at random sharing a wool colour?
Casio Classwiz CalculatorThere is currently a lot of talk about this new calculator being the best in its price range for use in the Maths classroom. The new ClassWiz features a highresolution display making it easier to view numerical formulas and symbols but it isn't a graphical calculator as such (it has the capacity to draw graphs on your smart phone or tablet, via a scannable QR code and an app). As well as basic spreadsheet mode and an equation solving feature you also get the ability to solve quadratic, cubic or quartic polynomial inequalities and the answer is given just as it should be written down, using the correct inequality symbols! This calculator has a highperformance processor and twice the memory of previous models ensuring speedy operation and superior computational power.more... 