Invent scenarios which would give rise to these probability density functions.
Why MUST these statistical statements probably be at least a little
How is the length of time between the birth of an animal and the birth of its great great ... great grandparent distributed?
This is our collection of tasks on the mathematical theme of 'Population Dynamics' for advanced students and those interested in mathematical modelling.
The probability that a passenger books a flight and does not turn
up is 0.05. For an aeroplane with 400 seats how many tickets can be
sold so that only 1% of flights are over-booked?
Use the computer to model an epidemic. Try out public health policies to control the spread of the epidemic, to minimise the number of sick days and deaths.
Here are several equations from real life. Can you work out which measurements are possible from each equation?
Which line graph, equations and physical processes go together?
Match the charts of these functions to the charts of their integrals.
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Investigate circuits and record your findings in this simple introduction to truth tables and logic.
Use your skill and knowledge to place various scientific lengths in order of size. Can you judge the length of objects with sizes ranging from 1 Angstrom to 1 million km with no wrong attempts?
If a is the radius of the axle, b the radius of each ball-bearing, and c the radius of the hub, why does the number of ball bearings n determine the ratio c/a? Find a formula for c/a in terms of n.
How do you write a computer program that creates the illusion of stretching elastic bands between pegs of a Geoboard? The answer contains some surprising mathematics.
Simple models which help us to investigate how epidemics grow and die out.
Get further into power series using the fascinating Bessel's equation.
Which of these infinitely deep vessels will eventually full up?
Was it possible that this dangerous driving penalty was issued in
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Explore the meaning behind the algebra and geometry of matrices
with these 10 individual problems.
Learn about the link between logical arguments and electronic circuits. Investigate the logical connectives by making and testing your own circuits and fill in the blanks in truth tables to record. . . .
Which dilutions can you make using only 10ml pipettes?
Can Jo make a gym bag for her trainers from the piece of fabric she has?
Formulate and investigate a simple mathematical model for the design of a table mat.
Explore the shape of a square after it is transformed by the action
of a matrix.
See how enormously large quantities can cancel out to give a good
approximation to the factorial function.
Can you sketch these difficult curves, which have uses in
Explore the properties of matrix transformations with these 10 stimulating questions.
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
How much energy has gone into warming the planet?
Each week a company produces X units and sells p per cent of its
stock. How should the company plan its warehouse space?
Match the descriptions of physical processes to these differential
Look at the advanced way of viewing sin and cos through their power series.
Build up the concept of the Taylor series
Find the distance of the shortest air route at an altitude of 6000
metres between London and Cape Town given the latitudes and
longitudes. A simple application of scalar products of vectors.
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?
When you change the units, do the numbers get bigger or smaller?
By exploring the concept of scale invariance, find the probability
that a random piece of real data begins with a 1.
Which units would you choose best to fit these situations?
How efficiently can you pack together disks?
Are these statistical statements sometimes, always or never true?
Or it is impossible to say?
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
Shows that Pythagoras for Spherical Triangles reduces to
Pythagoras's Theorem in the plane when the triangles are small
relative to the radius of the sphere.
Get some practice using big and small numbers in chemistry.
Can you work out what this procedure is doing?
Can you work out which processes are represented by the graphs?
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
A problem about genetics and the transmission of disease.
Explore how matrices can fix vectors and vector directions.