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kobusy [5.1K]
3 years ago
6

"the placement test for a college has scores that are normally distributed with a mean of 600 and a standard deviation of 60.if

the college accepts only the top 1​% of​ examinees, what is the cutoff score on the test for​ admission?"
Mathematics
1 answer:
Tanzania [10]3 years ago
4 0
The cutoff will be evaluated as follows:
let the cutoff be x

but
P(x>0.01)=1-P(x<0.01)=1-0.01=0.99
the z value corresponding to 0.99% is z=2.33
thus
2.33=(x-600)/60
solving for x we get:
139.8=x-600
x=739.8
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