milkshakegrande101
27.02.2020 •
Mathematics
Radioactive isotopes are commonly used to estimate artifact ages. Let X be the time in years for a Carbon-14 atom to decay to Nitrogen-14. X can be modeled as an exponential random variable with λ=1/8267
a. What are the units of What are the units of λ?
b. What is the probability the decay time is between 5000 and 6000 years?
c. Compute SD(X).
d. Compute the median decay time. The result is called the half-life of Carbon-14?
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Step-by-step explanation: Attached Picture.
Ответ:
the first one is true
the second one is true
the third one is false
the fourth one is true
you got them all correct
if you need to know why, please let me know