Answer:
Noah's heart rate is not typical, it's lower, 48 beats per minute.
Explanation:
Givens:
- Heart rate is between 60 and 100 beats per minute.
- Noah counts 8 heartbeats in 10 seconds.
To know if Noah has a typical hear rate, we just have to transform his heartbeats in second to minutes.

So, as you can observe, Noah's heart rate is 48 beats per minute. If typical heart beat is between 60 and 100 beats per minute, then Noah doesn't have a typical heart beat. His heartbeat is lower than it must be, actually, Noah has healthy issues.