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Probability Video Lecture | Mathematics for RRB NTPC / ASM - RRB NTPC/ASM/CA/TA
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FAQs on Probability Video Lecture - Mathematics for RRB NTPC / ASM - RRB NTPC/ASM/CA/TA
| 1. What is the basic definition of probability in the context of RRB NTPC exams? |  |
| 2. How do you calculate the probability of a single event? | |
Ans. To calculate the probability of a single event, use the formula: Probability (P) = Number of favorable outcomes / Total number of possible outcomes. For example, if a die is rolled, the probability of rolling a 3 is 1 (favorable outcome) out of 6 (total outcomes), so P = 1/6.
| 3. What are the types of probability that candidates should be aware of for the RRB NTPC exam? | |
Ans. Candidates should be aware of three types of probability: Classical Probability (based on theoretical outcomes), Empirical Probability (based on experimental data), and Subjective Probability (based on personal judgment). Understanding these types can help solve various probability problems in the exam.
| 4. What is the difference between independent and dependent events in probability? | |
Ans. Independent events are those whose outcomes do not affect each other. For example, flipping a coin and rolling a die are independent events. Dependent events are those where the outcome of one event affects the outcome of another. For instance, drawing cards from a deck without replacement is a dependent event.
| 5. How can understanding probability help in solving problems in the RRB NTPC exam? | |
Ans. Understanding probability can help candidates tackle various quantitative aptitude questions effectively. It allows them to make informed predictions about outcomes, assess risks, and calculate expected values, which are often critical in problem-solving scenarios presented in the RRB NTPC exam.
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