प्रायिकता प्रश्न
एकल घटनाएं, यौगिक घटनाएं, और बिना प्रतिस्थापन के निकालना, सटीक भिन्न उत्तरों के साथ।
पासे और सिक्कों जैसी एकल घटनाओं, पासे के योग और ताश निकालने जैसी यौगिक घटनाओं, और कांच की गोलियों के थैले से बिना प्रतिस्थापन के निकालने की प्रायिकता को कवर करता है।
शुरू करें: प्रायिकता
नमूना प्रायिकता प्रश्न
नीचे दिए गए नमूना प्रश्न फ़िलहाल केवल अंग्रेज़ी में हैं।
1. A card is drawn at random from a standard 52-card deck. What is the probability it is a heart?+
उत्तर: 1/4
Step 1: A standard deck has 4 suits of 13 cards each, so there are 13 hearts out of 52 cards. Step 2: Probability = 13/52 = 1/4.
2. Two fair six-sided dice are rolled. What is the probability that the sum is 7?+
उत्तर: 1/6
Step 1: There are 6 × 6 = 36 equally likely outcomes for two dice. Step 2: 6 of those outcomes add up to 7. Step 3: Probability = 6/36 = 1/6.
3. Two fair six-sided dice are rolled. What is the probability that the sum is 3?+
उत्तर: 1/18
Step 1: There are 6 × 6 = 36 equally likely outcomes for two dice. Step 2: 2 of those outcomes add up to 3. Step 3: Probability = 2/36 = 1/18.
4. Two fair six-sided dice are rolled. What is the probability that the sum is 4?+
उत्तर: 1/12
Step 1: There are 6 × 6 = 36 equally likely outcomes for two dice. Step 2: 3 of those outcomes add up to 4. Step 3: Probability = 3/36 = 1/12.
5. Two fair six-sided dice are rolled. What is the probability that the sum is 6?+
उत्तर: 5/36
Step 1: There are 6 × 6 = 36 equally likely outcomes for two dice. Step 2: 5 of those outcomes add up to 6. Step 3: Probability = 5/36 = 5/36.
6. Two fair six-sided dice are rolled. What is the probability that the sum is 8?+
उत्तर: 5/36
Step 1: There are 6 × 6 = 36 equally likely outcomes for two dice. Step 2: 5 of those outcomes add up to 8. Step 3: Probability = 5/36 = 5/36.