SOLUTION: Given a mean of 43.8 adn a standard deviation of 8.7. What is the z-score of the value of 40. Round the the nearest tenth.

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Question 448981: Given a mean of 43.8 adn a standard deviation of 8.7. What is the z-score of the value of 40. Round the the nearest tenth.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Given a mean of 43.8 and a standard deviation of 8.7.

z-score of the value 40 = (40-43.8)/8.7 = -.4 (rounded to the nearest tenth)