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soldier1979 [14.2K]
2 years ago
11

The scores of individual students on the act program composite college entrance examination have an approximately normal distrib

ution with mean 18.6 and standard deviation 6.0 and northside high 30 16 years take the test as soon that the scores at this school have the same distribution as national scores what is the probability that a randomly-chosen student has a score of higher than 20 points

Mathematics
1 answer:
ss7ja [257]2 years ago
3 0
The probabiity of a score greater than 20 from a normal distribution with a mean of 18.6 and a standard deviation of 6 is about 0.4078.

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