(EVERYONE'S IN)
What term best describes this stem and leaf plots distribution?
Positively Skewed
What is the Range of male heights in this data?
39
What is the probability that Mitch and Archer win today's badminton tournament? (in %)
97%
How many years is 54 months
4.5 years
Miss darcey invests $55,000 which returns 2% per annum in simple interest. Whilst Mr Nathan invests $20,000 into an account that returns 6% per annum in simple interest.
After 10 years, who has received more return (interest).
Mr Nathan - 12000
simplify: 2ab x 4a x 7ab
2 x 4 x 7 x a x a x a x b x b
= 56a3b2
ed
only one country has played in every single world cup, what country is it?
brazil
List everything this stem and leaf plot is missing
Title
Ruled lines
Key/legend
In a deck of shuffled playing cards (52 cards total), what is the probability I pull out a heart?
13/52
= 1/4
Describe the following data as positively skewed, negatively skewed or symmetrical.
11, 24, 27, 29, 34, 34, 38, 40, 44, 48, 49, 49
(Put it in a stem and leaf plot to help).
negatively skewed
Define the P, R and T in the simple interest formula.
P =
R=
T=
P=principle amount
R=Rate per annum
T = In years
simplify
-5(2x+5q)
-10x-25q
What is the mode shoe size in this frequency table
5.5
(50)9 =
1
How many days does miss darcey have left on island, not including today.
11
What is the probability that Miss Darcey can freedive to 35m?
100%
What is the modal value in this stem and leaf plot?
12 and 26
Wei invested $100 Into her country week spendings account with 4.2%p per annum, 5 years ago, and forgot about it until now. How much money does she now have for country week?
$121
simplify
(32a^4) / (12a)
32/12 x a4/A
= 8/3 X A3/1
= 8a3/3
accept any answer 98-102
simplify
-5m(2n-2m+9y)
-10mn+10m2-45my
find the Simple interest when:
$22,000 is invested at 5% per annum for 3 years.
$3300
How many students are taller than 150cm
22
What is the probability that you answer this question correctly and win a chocolate? *I'm looking for a % between 1 and 20.
7% chance.
Simplify the following
(a^4b)/(a^3b) X. (a^2b^3)/(ab^3)
a4 x a2 x b x b3 = a6 b4
a3 x a x b x b3= a4 x b4
= a2
What is the second largest country in the world?
canada
Where is a place outside of Perth, that both miss darcey and mr Nathan have both lived?
(give the region or town)
karratha
Describe this historgram
Positively skewed
CALCULATE THE MEAN OF THE DATA CORRECTLY TO 2D.P
30/22
= 1.36
What is the median value in this stem and leaf plot ?
72
What is the probability that I don't roll a multiple of 3 if I roll a die?
2/3
or
66.67%
In a plane of 684 seats with a 2-2-2 seat configuration
What is the probability you get a window seat.
40/120
= 1/3
Firaz bought a Ferrari 15 years ago with a loan of $123,000. He has paid a simple interest amount on his loan of 7.9% per annum since. Today, he finally paid off his loan. How much has he paid in total for his Farrari?
$145755+ 123000 = $268,755
expand and simplify (a-2)(a-1) + (a-5)(a+9)
a2-a-2a+2+a2+9a-5a-45
= 2a2+a-43
how many bones do sharks have?
0