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Two students h and k appeared in an examination. The

in an examination 50% of the studentspassedin mathematics and 70% of studentspassed in science while 10 % students failed in
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draw a flowchart for calculating the average percentage marks of 50 students each student appeared in 10 subject the flowchart
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Two students h and k appeared in an examination. The probability that h will qualify the exam is 0.05 and that the probability
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one hundred students seat for a mathematics examination.the scores from this examination are normaly distributed with a
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The marks of 100 students in an examination are normally distributed with mean of 25 marks and a standard deviation of 10 marks.
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the marks of 100 students in an examination are normally distributed with mean of 25 marks and a standard deviation of 10 marks.
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the marks of 100 students in an examination are normally distributed with mean of 25 marks and a standard deviation of 10 marks.
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In Professor White’s statistics course the correlation between the students’ total scores before the final examination and
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4. The scores on a university examination are normally distributed with a mean of 62 and a standard deviation of 11. If the
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20% of boys in an exmaination were not appeared,70% of appeared boys passed the examination.What percentage of total registered
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2. asked by Anonymous
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