Mathematics, 13.07.2019 21:30 kbmom1202
Scores from an exam are normally distributed with a mean of 85 and a standard deviation of 5. suppose 188 students take the exam. about how many would receive a score above 80? 158 students 60 students 122 students 153 students
Answers: 1
and standard deviation is 
. Then the variable 
.
, then the variable 
.
can be calculated in the following way:
and 
. From the diagram 
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Scores from an exam are normally distributed with a mean of 85 and a standard deviation of 5. suppos...
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