The mean price of computers sold at a particular store is $949 with a standard deviation of $75. The z-score of a certain comput er is -0.8. What is the price of the computer?
1 answer:
Answer:
the price of the computer is $889
Explanation:
The computation of the price of the computer is shown below:
As we know that
Z-score = (x-mean) ÷ standard deviation
-0.8 = (x - 949) ÷ 75
x = -0.8 × 75 + 949
= -60 + 949
= $889
Hence, the price of the computer is $889
We simply applied the above formula so that the correct value could come
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