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igor_vitrenko [27]
2 years ago
8

The results of a standardized test are normally distributed. The mean test score is 312. Of the scores, 16% are under 307. What

is the standard deviation?
A: 10

B:5​
Mathematics
1 answer:
amid [387]2 years ago
4 0

Answer:

the answer is B five

Step-by-step explanation:

three hundred and seven minus three hundred and twelve

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