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Year 12 Ext 1 Question (1 Viewer)
- Thread starter Jah111
- Start date
Since all the means are the same for each option we can just ignore it.
The formula for variance is given in the formula sheet=np(1-p))
hence the standard deviation is })
but this is the sample proportion so we actually have to divide the standard deviation by the population size hence}}{n})
Subbing in the values of
and 
So the answer is B
The formula for variance is given in the formula sheet
but this is the sample proportion so we actually have to divide the standard deviation by the population size hence
Subbing in the values of
So the answer is B