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    For critical regions how do i know which inequality to use when i am finding the probabilities
    http://mei.org.uk/files/papers/s109jn_7dgf.pdf

    very last question 7iii)

    and why does this one test both the upper and lower tail
    should i do this very time?
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    (Original post by esmeralda123)
    For critical regions how do i know which inequality to use when i am finding the probabilities
    http://mei.org.uk/files/papers/s109jn_7dgf.pdf

    very last question 7iii)

    and why does this one test both the upper and lower tail
    should i do this very time?
    Your question is vague which is probably why you haven't got an answer yet. Can you please refer to working/mark scheme to explain what you mean?

    and why does this one test both the upper and lower tail
    The question says that it is a 2-tail test so you include the upper and lower tail.
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    (Original post by Y11_Maths)
    Bump
    Who needs a bot when you have Y11_Maths to bump threads

    I find this link quite useful. It shows you all the unanswered threads in maths:

    https://www.thestudentroom.co.uk/sea...rtby=date+desc
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    [QUOTE=Notnek;76374210]Who needs a bot when you have Y11_Maths to bump threads

    You are very welcome, it is a pleasure

    Thanks for the link
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    the critical region in this case will be made up of some small numbers and some big numbers.
 
 
 
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