6.6
Bomb
Flip a coin
<tails you
heads the teacher>
reciprocal of
3/4
4/3
What does the word "of" usually mean in math.
example
3 of 8
8
Write the probability of each event:
a) The sun rising tomorrow
b) Rolling a 7 on a normal 6-sided dice
c) Picking a red ball from a bag that only has red balls
d) Tossing a coin and getting heads
a) 1 (Certain)
b) 0 (Impossible)
c) 1 (Certain)
d) 0.5
THE CLASS IS NOISY!!
If one person from each group manages to make it silent you all get +100
Give your answer as a mixed number
1/9 +9/10
1 1/90
Round this to 2nd d.p.
3.22581
3.23
What is the order of calculating equations.
(BIDMAS)
The probability of rain tomorrow is 0.25.
a) Write as a fraction.
b) Write as a percentage.
c) Is it likely or unlikely?
a)1 over 4
b) 25%
c) Unlikely
A spinner has 4 equal sections: Red, Blue, Green, Yellow.
It is spun 80 times and lands on Red 18 times.
Estimate the probability of landing on Red.
0.225
31/6+17/8
7 7/24
Round this to 3nd d.p.
1.14159
1.142
Medium Bomb
Arm wrestle
Good bomb
enjoy free 300 points
A dice is rolled 60 times.
The number 6 appears 9 times.
Estimate the probability of rolling a 6.
0.15
4/5 +1/4+1/2=
1 11/20
Round this to 4nd d.p.
1.141526
1.1415
bombbb
arm wrestle and the looser gets -100 and the winner gets +100
A spinner has 5 equal sections numbered 1–5.
Event A: Landing on a prime number
Event B: Landing on a number greater than 4
Which event is more likely?
prime number from 1-5:
3 over 5
greater than 4:
1 over 5
A coin is tossed 100 times.
Heads appears 56 times.
Estimate the probability of heads.
0.56
NUCLEAR BOMB
-500 If your group talks
+500 if your silent for 2 minutes
reciprocal of
1 3/8
8/11
A bag contains only red and blue counters.
The probability of picking red is 3 over 5.
There are 20 counters in total.
How many red counters are there?
12 red counters
A machine produces sweets.
Out of 500 sweets, 65 were broken.
Estimate the probability a sweet is broken.
0.13