Mathematics, 27.05.2021 14:50 donaldwilliams31
The marks of the students in a certain examination are normally distributed with mean marks as 40% and standard deviation marks as 20%. On this basis 60% of students failed. The results was moderated and 70% of students passed . Find the pass mark before and after moderation
Answers: 1
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60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?
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What is always true about a positive integer raised to a negative odd power?
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Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.
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The marks of the students in a certain examination are normally distributed with mean marks as 40% a...
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