SOLUTION: 5. One Thousand skilled workers were given an examination to determine how much they know about their job. If the scores are normally distributed and the score of one worker measur

Question 1063429: 5. One Thousand skilled workers were given an examination to determine how much they know about their job. If the scores are normally distributed and the score of one worker measured in z score is 0.8, how many of the workers who took the examination scored higher than or equal to this particular worker?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
One Thousand skilled workers were given an examination to determine how much they know about their job. If the scores are normally distributed and the score of one worker measured in z score is 0.8, how many of the workers who took the examination scored higher than or equal to this particular worker?
-------------
P(z > 0.8) = normalcdf(0.8,100) = 0.2119
-------
Ans: x = 0.2119*1000 = 212 (# of workers who scored higher)
-----------
Cheers,
Stan H.
-----------

RELATED QUESTIONS
4 skilled workers can complete a job in 5 days. 5 semi-skilled workers can complete the... (answered by josgarithmetic,ikleyn)

Working together, 4 skilled workers can complete a job in 5 days. However, 5 semi-skilled (answered by ankor@dixie-net.com)

4 skilled workers can do a job in 5 days, 5 semi-skilled workers can do the same job in 6 (answered by josgarithmetic)

A commercial building was built in 1 - 7/8 months by 20 skilled workers and 30 unskilled... (answered by ankor@dixie-net.com)

4 skilled workers can do a job in 5 days. 5 semi skilled worers can do The same job in... (answered by josgarithmetic)

What is website for English tutor? Identifying error - find an error in each... (answered by Fombitz)

What is website for English tutor? Identifying error - find an error in each... (answered by EdenWolf)