In a certain examination, the percentage of Passes and distinction were 46 and 9 respectively. Assuming the marks to be distributed normally, determine thẻ average marks obtained by the candidates, the minimum Pass and distinction marks being 40 and 75 respectively. Also, determine, what should have been the minimum qualifying marks for admission to a reexamination of the failed candidates, had it been desired that the best 25% of them should be given another opportunity of being examined.
In a certain examination, the percentage of Passes and distinction were 46 and 9 respectively. Assuming the marks to be distributed normally, determine thẻ average marks obtained by the candidates, the minimum Pass and distinction marks being 40 and 75 respectively. Also, determine, what should have been the minimum qualifying marks for admission to a reexamination of the failed candidates, had it been desired that the best 25% of them should be given another opportunity of being examined.
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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
Transcribed Image Text:Illustration 105.
In a certain examination, the percentage of Passes and distinction were 46
and 9 respectively. Assuming the marks to be distributed normally, determine
thẻ average
marks being 40 and 75 respectively.
marks obtained by the candidates, the minimum Pass and distinction
Also, determine, what should have been the minimum qualifying marks for
admission to a reexamination of the failed candidates, had it been desired that
the best 25% of them should be given another opportunity of being examined.
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