All of the kids in the group collaborated to get a excellent grade.
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
Answer:
Carbon/Radiocarbon Dating
Explanation:
Carbon dating yields some of the most accurate results for aging samples around 50,000 years old, and can be as accurate as within a few decades of the exact year. Carbon dating uses the relative proportions of the carbon isotopes carbon-12 and carbon-14 that the fossil/sample contains to pinpoint an almost exact time.