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For Alma to be accepted into her favorite college, she will have to earn an entrance exam score at least 2 standard deviations above the mean. Assume entrance exam scores are normally distributed, with a mean of 800 and a standard deviation of 40. What exam score does Alma need to be accepted at her favorite college?

720
760
840
880

2 Answers

4 votes

Answer:

880 is correct

Explanation:

if the mean is 800 and the standard deviation is 40, she needs two of the standard deviation added to 800. Which makes the equation: 800 + 40 + 40 which equals 880.

(I also took the test and got it right OwO)

User Arun Blr
by
3.6k points
11 votes

Answer:

880 just took the test

Explanation:

User Siki
by
3.4k points