Situation: Find the age of the skull to the nearest year.
A hiker in Africa discovers a skull that
contains 63% of its original amount of C.
14.
Enter the correct answer.
DONE
N-
-kt
• Noe
No - inital amount of C-14 (at time
t-0)
N-amount of C-14 at timet
K-0.0001
t-time, in years

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable