Probability
graphs
Order of Operations
Statistics
Random Riddles
Dara staff
MC
100
If the probability that it will rain today is 0.83, what is the probability that it will not rain today?
p(not rain) = 0.17
100
What is this an equation for?
y = 4/x +6
an hyperbola
100
Simplify the following expression:
62
100
what is the range of this data?
2, 6, 4, 13, 23, 7
range = 21
100
What has to be broken before you can use it?
an egg
100
which staff member has a famous name
Michael Jackson
100
A famous farmer
Mc Donald
200
A family has 5 boys and 2 girls. What is the probability that the next child born to that family will be a boy?
P9boy) = 1/2 or 0.5
200
What is the centre and radius of this circle?
(x + 3)2 + (y - 5)2 = 100
centre = (-3,5) radius = 10
200
Simplify the following expression:
5
200
What is the mean of this data?
3, 7, 4, 6, 20
mean = 8
200
What begins with T, finishes with T, and has T in it?
a teapot
200
Which staff member shares their name with a bird?
Sophie Peacock
200
A famous beetle
Paul Mc Cartney
300
There are 6 green apples, 4 cherries and 6 red balloons.
What is the probability that I choose something edible, given it is red?
4/10 = 2/5
300
What translation has occurred to this parabola?
y=(x - 4)2 +3
moved 4 units to the right and 3 units up
300
3 + 42 * (3 + 2)
83
300
which one of the following is INCORRECT when graphing bivariate data?
A) age of child (Independent) shoe size (dependent)
B) number of children in family (Independent) size of house (dependent)
C) length of grass (Independent) amount of rain (dependent)
C) length of grass (Independent) amount of rain (dependent)
300
What goes up but never comes back down?
your age
300
Whish staff member is finished?
Angela or Trudi Dunn
300
the host of a show
the MC
400
There are 3 red balls and 4 white balls in a bag. One ball is chosen and then replaced and a second ball chosen.
What is the probability of selecting 2 white balls?
16/49
400
What would be the equation of a circle with centre
( 4, 5 ) and a radius of 9.
(x - 4)2 + (y - 5)2 = 81
400
25
400
Which of the following would have a negative correlation?
A) amount of time spent studying / test results
B) number of police on the streets / crime rate
C) salary earned / value of car owned
B) number of police on the streets/ crime rate
400
No matter what, what can you always count on?
your fingers
400
Which staff member can you find on a boat?
James Keely
400
an entertainer
MC Hammer
500
I have 5 blue balls and 7 yellow balls. 2 balls are selected without replacement.
What is the probability that I select two blue balls?
20/132 = 5/33
500
Here are 2 parabolas. What is the translation that maps Parabola A to Parabola B?
(A) y=(x + 2)2 + 3
(B) y=(x - 1)2 - 4
3 units to the right and 7 units down
500
30
500
A set of data has the following characteristics.
Q0 = 2 Q1= 7 Q2 = 15 Q3 = 22 Q4= 43
Would 43 be an outlier?
NO since 22+1.5 (22-7) = 44.5
43< 44.5
500
What is full of holes but still holds water?
a sponge
500
Which staff member should wear black?
Linda Goth
500
an icecream
Mc Flurry