Probability terms
complementary event
MMMR
data table
stem and leaf
100
What is the probability term for:
Rolling a normal dice and getting an odd number
Even
100
State the complement event for:
flipping a head on a coin
tail
100
1, 3, 3, 4, 5, 10
Calculate mode
3
100
Probability of only chemistry:
p(only chem) = 24/40 = 3/5
100
how many students took the test in each class
14 from each class
200
Probability term for:
The sun will set tonight
Certain
200
state the complement event for:
rolling an odd number
2, 4, 6
200
1, 3, 3, 4, 5, 10
calculate range
10 - 1 = 9
200
Probability of english
P(English) = 14/40 = 7/20
200
If to get an A you need 80% or higher, how many students got an A overall?
15 from both classes
A: 10
B: 5
300
Winning the lotto
unlikely
300
Bag of marbles:
5 red
2 blue
3 green calculate probability of not selecting a green
P(green') = 1 - 3/10
= 7/10
300
1, 3, 3, 4, 5, 10
calculate median
(3 + 4)/2
3.5
300
Probability of neither
P(neither) = 2/40 = 1/20
400
It will be sunny tomorrow (based on todays weather)
likely
400
A survey was taken on how students get to school. The following options were given: cycling, bus or car.
If P(cycle) = 1/5 and P(bus) = 2/5,
what is the probability that a student doesn't take the bus or cycle?
P(other) = 1 - (1/5 + 2/5)
= 2/5
400
1, 3, 3, 4, 5, 10
calculate mean
(1+3+3+4+5+10) /6
26/6
4.3
400
Complete the two way table
missing number straight down, left to right
6, 15, 6, 11, 18
500
The probability of spinning a 2 is 1/4 and the probability of spinning a 1 or 3 are equal.
What is the probability of spinning a 3?
1 - 1/4 = 3/4
3/4 x 1/2 = 3/8
500
The mean weight of 9 players on a football team was 95 kg. A new player joined the team and the new mean weight was 95.5. What is the weight of the new player.
100 kg