26 Jan
2016
Maths Tuition Singapore – Probability
Maths Tuition Singapore – Probability
ABCD is a square dartboard. P, Q, R and S are the midpoints of AB, BC, CD and DA respectively. W, X, Y and Z are midpoints of PQ, QR, RS and SP respectively.
The score for a dart landing on each region of the dartboard is shown below.
| Region | Score | 
| WXYZ | 3 | 
| PZW or RYX | 2 | 
| SZY or QWX | 1 | 
| Other regions | 0 | 
(i) A dart is thrown once. What is the probability of scoring 3 points?
(ii) Two darts are thrown one after another. What is the probability of scoring 3 points?
Answer : (i) 1/4 , (ii) 9/32
Please contact Angie @ 96790479 or Mr Ong @ 98639633 if you need Additional or Elementary Maths Tuition
