When buying a pack of strawberries at the farmer's market, there is a 0.10 chance that there

Question:

When buying a pack of strawberries at the farmer's market, there is a 0.10 chance that there will be a rotten berry in the pack. If a restaurant buys 300 packs of strawberries for their desserts, what is the approximate probability that fewer than 25 packs will contain a rotten berry?