The probability that the temperature will fall below -10° on any day through winter at a particular city in the northern hemisphere is 0.85. Which calculation will give the probability that the temperature in this city will fall below -10° on at least one day of the weekend?
A table of future value interest factors up to 4 periods is shown below.
The value of a motor vehicle, purchased new for $20 000, is calculated over 8 years using the declining balance method of depreciation.
A builder provi~ed a written quotation of $18 250 to complete some renovations requested by a homeowner. The quotation included a G.S.T of 10%. Which of these calculations would give the amount of the G.S.T included in the quotation?
The equation of this straight line is:
A child's party hat is made in the shape of a cone of height 20 cm and diameter 30 cm. The slant height (L) of the con
Maddy calculates her z-score to be 1.85 after receiving her assessment task result of 68%. The results on the task were normally distributed. If the standard deviation on the task was 8.5, what was the mean?
The stamp duty on a car is calculated using the table below.
A doctor prescribes a patient 750 g of medication per day to be taken every 4 hours. A bottle of this medication from the chemist contains a concentration of 50 g/5 mL. How many millilitres does the patient need to take in each dose?
In the diagram, the line L has the equation y = mx + b.
Expand and simplify: 3(1-2x)-2(x+l).
A concrete pipe shown below has length 1.25 m. Its internal diameter is 8 cm and its external diameter is 15 cm.
If a = -3 and b = 2, what is the value of
Claire collected data about the amount of rain that fell over a number of days in Sydney. This data can be best described as being: