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