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The marks of 2376 students

The marks of 2376 students in an IB exam are normally distributed with mean 49 marks and variance 225A) if the mark is 45
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2. asked by sara
3. 913 views
There are fifty students in a class. In a 100 marks exam, 20 students scored less than 30 marks, 5 students scored more than 70
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2. asked by Muhammad
3. 848 views
The marks of 100 students in an examination are normally distributed with mean of 25 marks and a standard deviation of 10 marks.
1. 7 answers
2. asked by Anne
3. 1,430 views
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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2. asked by james
3. 728 views
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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2. asked by Mere
3. 739 views
Consider the following distributions of the marks scored by 100 students in a quantitativetechniques activity. The median mark
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2. asked by G
3. 424 views
Marks 0 - 9 10 -19 20 - 29 30 - 39 40 - 49No of students 10 8 12 15 The table below shows student marks. i. Name the type and
1. 1 answer
2. 37 views
the mean marks obtained by a group of 100 students was found to 49.46.THE mean marks obtained in the same examination by another
1. 2 answers
2. asked by saba
3. 1,309 views
a program in c++ that accepts exam marks for 10 students and stores them in an array.the program should then calculate and utput
1. 3 answers
2. asked by vivian
3. 903 views
Marks in an examination are distributed normally with a mean of 55 and standard deviation of 15. 200 students sit the exam. (a)
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2. asked by eimear
3. 601 views