Sample proportion questions ? (1 Viewer)

[Jerryclover]

Those thresholds are a “guide”, not a hard and fast rule. Very unlikely you will get questions that are right on the margins of that threshold. Most of the time it will be pretty obvious whether a normal approximation is required or not. At the end of the day, the approximation exists to compensate for an overly cumbersome calculation.

Ahh, that makes sense, thanks