Financial
Statistics
Probability
Algebra
Are you a Charger?
100

A nanny charges $15 per hour, or part thereof, for looking after a child. 

What does the nanny charge for looking after a child from 8am until 3:20pm on a particular day?

What is $120?


7hrs and 20 mins = 8 hours


100

Shoe size is an example of:

a) Categorical Ordinal Data

b) Numerical Discrete Data

What is (B) - Numerical Discrete Data?

100


AN event has the probability of occurring equal to 0. what word can you describe the probability. 



What is impossible?

100


Find the value of  r  given  r/7 - 4 = 3.



What is r=49?

100

What are the school colors?

What is Maroon and Gold?

200

A car is purchased for $23,900. The value of the car is depreciated by 11.5% each year using the declining balance method. 

What is the value of the car after three years?

What is $16,566.38?



200

Calculate the mean of:

3, 4, 4, 6, 7, 8, 10

What is 6?

200


A card is selected at random from a normal pack of playing cards. The card is replaced each time. What is the expected number of times you would select a king from 260 trials?



What is 20?

200


If K=Ft3, F=5 and t=0.715, what is the value of K correct to three significant figures?



What is 1.83?

200

What periods do you have on Gold day?

What is 5, 6, 7 & 8?

300

Last year, Luke’s taxable income was $87 000 and the tax payable on this income was $19 822. This year, Luke’s taxable income has increased by $16 800


What is $103,800?


New income = 87 000 + 16 800 = $103 800


300

Calculate the standard deviation of:

5, 5, 6, 7, 8, 10, 11, 14, 14, 15

Give answer to 2 decimal places

What is 3.67?

300


A bag contains black, white and grey balls. The probability of selecting a black ball is 0.3 and a grey ball is 0.6. What is the probability of selecting a white ball



What is 0.1?

300


Expand and simplify  2(3x−4) + 2



What is 6x-6?
300

Who is the 11th grade assistant principal?

What is Ms. Sherman?

400


Tom earns a weekly wage of $1025. He also receives an additional allowance of $87.50 per day when handling toxic substances. What is Tom’s income in a fortnight in which he handles toxic substances on 5 separate days?



What is $2,225.00?



400


There are 7 scores in a data set. One of the scores is an outlier. Which of the mean, mode, median or interquartile range will be most influenced by the outlier. 



What is mean?

400


A letter is chosen at random from the word ‘NEWCASTLE’. What is the probability that the letter will not be a vowel



What is 1/3?

400


Make  r  the subject of  S=800(1−r )



What is r= 1 - S/800?

400
Who is the 12th grade assistant principal?

What is Ms. Pinckney?

500

A nanny charges $15 per hour, or part thereof, for looking after a child.

What does the nanny charge for looking after a child from 8 am until 3.20 pm on a particular day?

What is $105?

500

Name the 5 number summary of any data collected.

What is min, Q1, Q2(mean), Q3, max ?



500

The frequency of an event is 6 and the total number of frequencies is 20. What is the relative frequency?

What is 30%

500

Solve the equation:

3(x - 2) = 4x + 1

What is x= -7?
500

What is the first and last name of your principal?

What is Mark Howard?