SOLUTION: The scores on a mathematics exam have a mean of 69 and a standard deviation of 6. Find the x-value that corresponds to the z-score 1.28.
Question 6 answers
a.70.3
b.75.0
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Question 294644: The scores on a mathematics exam have a mean of 69 and a standard deviation of 6. Find the x-value that corresponds to the z-score 1.28.
Question 6 answers
a.70.3
b.75.0
c.61.3
d.76.7
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The scores on a mathematics exam have a mean of 69 and a standard deviation of 6. Find the x-value that corresponds to the z-score 1.28.
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Formula: x = zs+u
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Your Problem:
x = 1.28*6 + 69
x = 76.68
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Cheers,
Stan H.
Question 6 answers
a.70.3
b.75.0
c.61.3
d.76.7
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