CBSE MCQ Maths 12 Science Probability Answers in English to enable students to get Answers in a narrative video format for the specific question.
Expert Teacher provides CBSE MCQ Maths 12 Science Probability Answers through Video Answers in English language. 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 Answer in a narrative video format.
The probabilities of two students A and B coming to the school in time are and respectively. Assuming that the events ' A coming in time ' and
' B coming in time ' are independent. Find the probability of only one. Write of them come in time atleast one advantage of coming to school in time.
Answer Video in English:
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Question 1 : An insurance company insured 2,000 cyclists, 4,000 scooter drivers and 6,000 motorbike drivers. The probability of an accident involving a cyclist, scooter driver and a motorbike driver are 0.01, 0.03, and 0.15 respectively. One of the insured persons meets with an accident. What is the probability that he is a scooter driver? (View Answer Video)
Question 2 : In a hockey match, both teams A and B scored same number of goals up to the end of the game, so to decide the winner, the referee asked both the captains to throw a die alternately and decided that the team, whose captain gets a six first, will be declared the winner. If the captain of the team A was asked to start, find their respective probabilities of winning the match and state whether the decision of the referee was fair or not. (View Answer Video)
Question 3 : A bag contains 4 green and 6 white balls. Two balls are drawn one by one without replacement. If the second ball drawn is white, what is the probability that the first ball drawn is also white? (View Answer Video)
Question 4 : Three persons A, B and C apply for a job of Manager in a Private company. Chance of their selection (A, B and C) are in the ratio 1:2:4. The probability that A, B, and C can introduce changes to improve profits of company are 0.8, 0.5 and 0.3 respectively, if the changes does not take place, find the probability that is due to the appointment of C. (View Answer Video)
Question 5 : A box contains 50 bolts and 50 nuts. Half of the bolts and nuts are rusted. If two items are drawn with replacement, what is the probability that either both are rusted or both are bolts. (View Answer Video)
Question 1 : The objective function is maximum or minimum, which lies on the boundary of the feasible region. (View Answer Video)
Question 1 : Find the vector quantities from the following:
(i) Time period (ii) Distance (iii) Force
(iv) Velocity (v) Work done
(View Answer Video)
Question 2 : Find the scalar and vector components of the vector with initial point (2, 1) and terminal point (-5, 7). (View Answer Video)
Question 3 : Find |a| and |b|, if (a + b).(a - b) = 8 and |a| = 8|b|. (View Answer Video)
Question 4 : Find if and (View Answer Video)
Question 5 : Find a vector in the direction of vector which has magnitude 8 unit. (View Answer Video)
Question 1 : Find the integral of the function . (View Answer Video)
Question 2 : Find : (View Answer Video)
Question 3 : Find : (View Answer Video)
Question 4 : Show that : (View Answer Video)
Question 5 : Evaluate : (View Answer Video)