SPEED BLOCK
(EVERYONE'S IN)
Statistics
Probability
Lucky Dip
Simple Interest
Expanding & Simplifying
SPEED BLOCK
(everyone's in)
100

What term best describes this stem and leaf plots distribution? 

Positively Skewed

100

What is the Range of male heights in this data?

39

100

What is the probability that Mitch and Archer win today's badminton tournament? (in %)

97%


100

How many years is 54 months 

4.5 years

100

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). 

Miss Darcey - 11,000

Mr Nathan - 12000


100

simplify: 2ab x 4a x 7ab

2 x 4 x 7 x a x a x a x b x b 

= 56a3b2



100
Who is the most streamed artist on spotify?

ed

200

only one country has played in every single world cup, what country is it?


brazil

200

List everything this stem and leaf plot is missing 

Title

Ruled lines

Key/legend

200

In a deck of shuffled playing cards (52 cards total), what is the probability I pull out a heart?


13/52

= 1/4

200

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 

200

Define the P, R and T in the simple interest formula. 

P = 

R=

T=

P=principle amount 

R=Rate per annum

T = In years 

200

simplify 

-5(2x+5q)

-10x-25q

200

What is the mode shoe size in this frequency table

5.5

300

(50)

1

300

How many days does miss darcey have left on island, not including today. 

11

300

What is the probability that Miss Darcey can freedive to 35m?

100%

300

What is the modal value in this stem and leaf plot?

12 and 26

300

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

300

simplify 

(32a^4) / (12a)

32/12 x a4/A

= 8/3 X A3/1

= 8a3/3

accept any answer 98-102

300

simplify 

-5m(2n-2m+9y)

-10mn+10m2-45my

400

find the Simple interest when: 

$22,000 is invested at 5% per annum for 3 years. 


$3300

400

How many students are taller than 150cm

22

400

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. 

400

Simplify the following 

(a^4b)/(a^3b) X. (a^2b^3)/(ab^3)

a4 x a2 x b x b3 = a6 b4

ax a x b x b3= a4 x b4

= a


400

What is the second largest country in the world?

canada


400

Where is a place outside of Perth, that both miss darcey and mr Nathan have both lived? 

(give the region or town)

karratha 

400

Describe this historgram 

Positively skewed 

500

CALCULATE THE MEAN OF THE DATA CORRECTLY TO 2D.P


30/22

= 1.36

500

What is the median value in this stem and leaf plot ?

72

500

What is the probability that I don't roll a multiple of 3 if I roll a die?



2/3 

or

66.67%

500

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


500

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


500

expand and simplify (a-2)(a-1) + (a-5)(a+9)


a2-a-2a+2+a2+9a-5a-45

= 2a2+a-43

500

how many bones do sharks have?

0


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