If a set of grades on a statistics examination is

Reference no: EM13607596

If a set of grades on a statistics examination is approximately normally distributed with mean of 74 and a standard deviation of 7.9, find

a) the lowest passing grade if the lowest 10% of the students are given 1.0?

b) the highest grade if the top 5% of the students are given 4.0?

c)the lowest grade if the top 10% of the students are given 4.0 and the next 25% are given 3.5?

Reference no: EM13607596

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