How Old Are the Earliest Fossil Remains

question 22

Multiple Choice

How old are the earliest fossil remains?

• A)approximately 65 million years
• B)approximately 2200 million years
• C)approximately 540 million years
• D)approximately 3500 million years

---

Definitions:

P-Value

Represents the probability that the observed data would occur by chance in a hypothesis test, used to infer the significance of experimental results.

Poisson Distribution

A statistical distribution predicting the probability of a given number of events happening in a fixed interval of time or space.

Observed Frequencies

The actual number of occurrences of events measured or recorded during a study or experiment.

Normal Distribution

A symmetric bell-shaped frequency distribution that is fully defined by its mean and standard deviation.