Question

नेमबाजीच्या एका स्पर्धेत प्रत्येक अचूक नेमासाठी 5 गुण मिळतात व चुकलेल्या नेमासाठी 3 गुण 15 प्रयत्नांमध्ये किरणचे 5 नेम चुकले तर त्याला किती गुण मिळाले ?
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Answer 1

Step-by-step explanation:

Mathematical expectation, also known as the expected value, is the summation or integration of a possible values from a random variable. It is also known as the product of the probability of an event occurring, denoted P(x), and the value corresponding with the actual observed occurrence of the event.