Question

The mean price of computers sold at a particular store is $949 with a standard deviation of $75. The z-score of a certain computer is -0.8. What is the price of the computer?

Answer 1

the price of the computer is $889

Step-by-step 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