Maths Probability CBSE 12 Science MCQ in English Solutions to enable students to get Solutions in a narrative video format for the specific question.
Expert Teacher provides Maths Probability CBSE 12 Science MCQ English Solutions. This video solution will be useful for students to understand how to write an answer in exam in order to score more marks. This teacher uses a narrative style for a question from Probability not only to explain the proper method of answering question, but deriving right answer too.
Please find the question below and view the Solution in a narrative video format.
Solution Video in English:
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Question 1 : There are three coins. One is a two-headed coin (having head on both faces), another is a biased coin that comes up heads 75% of the times and third is also a biased coin that comes up tails 40% of the times. One of the three coins is chosen at random and tossed, and it shows heads. What is the probability that it was the two-headed coin?
Question 3 : Assume that the chances of a patient having a heart attack are 40%. Assume that a meditation and yoga course reduces the risk of heart attack by 30% and the prescription of certain drugs and certain restrictions reduces the risk by 25%. At a time, a patient choses only one of the two options with equal probabilities. After going through one of the two options, the patient is selected at random who is suffering from a heart attack. Find the probability that the patient followed a course of meditation and yoga. Write the value referred here.
Question 1 : Which of the following is correct?
Question 2 : If find |A|.
Question 3 : If A =, find | A |.
Question 5 : Evaluate the determinant: .
Question 1 : Number of binary sets on the set is,
Question 3 : The function, f(x) = 2x + 1 is,
Question 5 : Functions are defined respectively, by , find .