Scores of High School Students on a National Mathematics Exam

question 154

Short Answer

Scores of high school students on a national mathematics exam in Egypt were normally distributed with a mean of 86 and a standard deviation of 4.
A)What is the probability that a randomly selected student will have a score of 80 or higher?
B)If there were 97,680 students with scores higher than 91,how many students took the test?
____________________ (Remove all commas from your answer before submitting).

• A)What is the probability that a randomly selected student will have a score of 80 or higher?
• B)If there were 97,680 students with scores higher than 91,how many students took the test?
• ____________________ (Remove all commas from your answer before submitting).

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