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Minnie and Helen are playing in the same hockey match. The probability of Minnie scoring a goal is 0.3. The probability of Helen scoring a goal is 0.4. What is the probability of both Minnie and Helen scoring a goal.

The probability of two events happening is equal to the probability of event 1 times the probability of event 2. Therefore, the probability of both Minnie and Helen scoring a goal is equal to the probability...
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Answered by Minnie A. • Maths tutor
3401 Views

How do I find the volume of a sphere?

The equation for the volume of a sphere is:v = 4/3 x pi x r^3 from this we can see the information we need to find out is the radius of sphere. in this example the radius is 2cm. therefore, the volume is: v ...
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Answered by Luke C. • Maths tutor
4961 Views

Explain the effect of temperature and pH on enzyme-catalysed reactions:

The rate of reaction typically increases with temperature, as heat provides kinetic energy and more substrate-enzyme collisions. however, going above a certain temperature will cause enzymes to denature and ...
AK
Answered by Abdullah K. • Biology tutor
9077 Views

There are 10 boys and 20 girls in a class. The mean mark in a test for all the class is 60. The mean mark for the girls is 54. Work out the mean mark for the boys.

First let us consider how we calculate the mean test mark in the first place, we add up the individual test marks of the entire class to give the total test mark then we divide by the number of students. Thi...
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Answered by Adam D. • Maths tutor
68158 Views

(Language paper) - ' How has the writer structured the text to convey his/her message to its readers'?

Firstly, read the question and highlight any topic words or sentences that allude to what exactly the examiner is asking of you. Once you have done that, analyse the insert paper provided, by highlighting an...
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Answered by Khatra M. • English tutor
2788 Views