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3. The grades in a first- year accounting course are normally distributed with a mean of 68% and a standard deviation of 10%. Students need
3. The grades in a first- year accounting course are normally distributed with a mean of 68% and a standard deviation of 10%. Students need to get 50% to pass the course. (a)you got 96.5% in the course. What percentage of students did better than you? b) What percentage of students got a below average grade but still passed the course? c) Students must get at least 65% in the course if they want to take the second-level accounting course. What percentage of students passed the course, but did not get the necessary 65% to go on the next level? (d) Students who place in the top % receive a $1,000 scholarship. What is the minimum grade needed to receive the scholarship ? e) The following year, there was a bigger variation in the grades and the average mark was lower The standard deviation was 12% and 1 out of every 6 students failed the course. What was the average grade that year
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