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    http://pastpapers.download.wjec.co.uk/s13-0984-01.pdf
    4c?
    When you work out approx why is the value 180.5 and not 181.5?
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    (Original post by Ayaz789)
    http://pastpapers.download.wjec.co.uk/s13-0984-01.pdf
    4c?
    When you work out approx why is the value 180.5 and not 181.5?
    What have you done?
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    (Original post by Zacken)
    What have you done?
    Well i've done p(x<=181) like how do i know if its greater or less than?
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    (Original post by Ayaz789)
    Well i've done p(x<=181) like how do i know if its greater or less than?
    The question says "believes that his support is greater than this"
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    (Original post by Zacken)
    The question says "believes that his support is greater than this"
    Ohh so you take it from the original question?
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    (Original post by Zacken)
    The question says "believes that his support is greater than this"
    If its greater than this then will it not be P(X>181) which is P(X<=181)??
 
 
 
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