Final answer:
Without additional data, the Rockwell hardness value of a specific pin from the described population cannot be determined; it could vary around the mean of 50, with most pins likely falling within the standard deviation range of 1.6.
Step-by-step explanation:
The rockwell hardness of a certain type of pin is known to have a mean value of 50 with a standard deviation of 1.6. The value for a specific pin cannot be determined without further information, as it would require a measurement or additional data on its distribution. However, we can talk about the potential variability of the hardness for the pins based on the given mean and standard deviation.
If we were to measure a random pin from this population, we would expect its Rockwell hardness to be around the mean, with most pins falling within one standard deviation (48.4 to 51.6) of the mean. The actual hardness of any given pin could be higher or lower within this range or even beyond it, but without more context or data, such as its percentile rank in the distribution, a specific value cannot be given.