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There are 20 sweets in a bag, 5 are white and 15 are black. What is the probability that a sweet chosen at random will be white?

5 out of the 20 sweets in the bag are white. This could be written as 5/20. This is the probability. However, this can be simplified to 1/4 'one quarter' or 0.25.
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Answered by Toby D. • Maths tutor
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How can you take a list of numbers and add 3 to every number in the list using only one line of code?

If the list is l1, we can create a new list l2 with all the numbers within being 3 more than each number in l2 by using a list comprehension as follows: l2 = [x+3 for x in l1]
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Answered by Toby D. • Python tutor
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What is the difference between a dynamic and a static data structure?

A dynamic data structure is one that is not fixed in size and may not be contiguous in the computer's main memory. This is implemented through the use of pointers which 'point' to the location of the next it...
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Answered by Toby D. • Computing tutor
16110 Views

What is the role of the synapse in neuronal transmission, and why is it important?

The synapse is a structure that permits a neuron to send an electrical or chemical signal to another neuron. It is where neurones can communicate with each other. It contains a pre-synaptic and post-synaptic...
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Answered by Connor M. • Biology tutor
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What is mitosis?

Mitosis is the process of division of a single cell to create two identical daughter cells. It involves four distinct phases: prophase, metaphase, anaphase and telophase, followed by cytokinesis. Each of the...
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Answered by Kerry R. • Biology tutor
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