WorksheetsSAL GCSE Probability
Total questions: 10
Worksheet time: 50mins
What is the probability of scoring a total of 3?
142
162
71
244
How many outcomes could occur if I were to roll two fair 6-sided dice
6
12
36
30
Two fair five-sided spinners, each marked 1,2,3,4 & 5 are spun at the same time.
What is the probability of obtaining the same number on both spinners
202
101
105
255
Michelle has a bent £1 coin.
The probability of it landing on heads is 0.7.
Michelle tosses the coin 4 times. What is the probability she gets 4 tails?
0.7 x 0.7 x 0.7 x 0.7
0.7 + 0.7 + 0.7 + 0.7
0.3 x 0.3 x 0.3 x 0.3
0.3 + 0.3 + 0.3 + 0.3
What is the probability that I win a game and lose a game?
2.0
0.24
0.48
0.2
55
51
48
100
1
2
3
4
There are green, blue, red and black pens in a box.
What should replace the star?
0.65
0.35
0.45
Not enough information
The probability of winning a game is 0.7. If you played the game 40 times, how many times would you expect to win?
7
28
280
0.3
0.8
0.8 0.8
0.2
0.8 0.2
0.8
0.8 0.5
0.5
