Probability
AN event has the probability of occurring equal to 0. what word can you describe the probability.
Impossible
Find the value of r given r/7 - 4 = 3.
r = 49
Janet’s gross income last year was $60 000. She had allowable tax deductions of $5000. Janet paid 1.5% of her taxable income for the Medicare levy.
How much was Janet’s Medicare levy?
$825
Shoe size is an example of:
a) Categorical Ordinal Data
b) Numerical Discrete Data
b)
What is the Capital of Spain?
Madrid
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?
20
If K=Ft3, F=5 and t=0.715, what is the value of K correct to three significant figures?
1.83
The price of a CD is $22.00, which includes 10% GST.
What is the amount of GST included in this price?
$2
Calculate the mean of:
3, 4, 4, 6, 7, 8, 10
6
Who is the greatest basketball player of all time?
Micheal Jordan
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
0.1
Expand and simplify 2(3x−4) + 2
6x - 6
$6000 is invested in an account that earns simple interest at the rate of 3.5% per annum.
The total interest earned in the first four years is?
$840
Calculate the standard deviation of:
5, 5, 6, 7, 8, 10, 11, 14, 14, 15
Give answer to 2 decimal places
3.67
name the two prophets in the bible that did not die?
Elijah and Enoch
A letter is chosen at random from the word ‘NEWCASTLE’. What is the probability that the letter will not be a vowel
1/3
Make r the subject of S=800(1−r )
r = 1 - S/800
George makes a single deposit of $9000 into an account that pays simple interest.
After 4 years, George's account has a balance of $10 350.
What simple interest rate did George receive on his investment?
3.75%
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.
Mean
What word can be placed in front of bell, bottle and bird?
blue
The frequency of an event is 6 and the total number of frequencies is 20. What is the relative
frequency
30%
Solve the equation:
3(x - 2) = 4x + 1
x = -7
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?
$105
name the 5 number summary of any data collected. (hint box plot)
min, Q1, Q2(mean), Q3, max
The more you take, the more you leave behind. What am I?
Foot steps.