Given:
Total card = 52
Delta a card greater than 3 and less than 7.
Find-:
The probability of being dealt a card greater than 3 and less than 7.
Explanation-:
The probability formula is:

The total number of favourable outcomes is 52.
The favourable outcome is:
Delta card greater than 3 and less than 7.

So, the probability is:

Then the probability is 3/5