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Assume that the time needed to complete a midterm exam for a particular course is normally...

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Basic Math

Assume that the time needed to complete a midterm examfor a particular course is normally distributed with a mean of 90minutes and a standard deviation of 15 minutes.

5- What percentage of the class is expected to complete the examwithin 60 minutes?

6- What percentage of the class is predicted to NOT complete theexam within 115 minutes?

7- If the time limit is 100 minutes and there are 200 studentsin the class, how many of them do you predict to not complete theexam within the allocated time?

Answer & Explanation Solved by verified expert
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Here we assume that the time X needed to complete a midtermexam for a particular course is normally distributed with a mean of90 minutes and a standard deviation of 15 minutesThat is X N 90155 What    See Answer
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