Maths 12 Science Probability CBSE Answers for MCQ in English to enable students to get Answers in a narrative video format for the specific question.
Expert Teacher provides Maths 12 Science Probability CBSE Answers for MCQ 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.
Question:
Answer Video in English:
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Question 1 : If and then find P(E / F). (View Answer Video)
Question 2 : A pair of dice is thrown 4 times. If getting a doublet is considered a success, find the probability distribution of the number of successes and hence find its mean. (View Answer Video)
Question 3 : Of the students in a college, it is known that 60% reside in hostel and 40% are day scholars (not residing in hostel). Previous year results report that 30% of all students who reside in hostel attain 'A' grade and 20% of day scholars attain 'A' grade in their annual examination. At the end of the year, one student is chosen at random from the college and he has an 'A' grade. What is the probability that the student is a hosteler? (View Answer Video)
Question 4 : 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 5 : A pair of dice is thrown 4 times. If getting a doublet is considered a success, find the probability distribution of number of successes. Hence, find the mean of the distribution. (View Answer Video)
Question 1 : The function f is a differentiable function and satisfies the functional equation f(x) + f(y) = f(x + y) – xy – 1for every pair x, y of real numbers. If f(1) = 1, then the number of integers n ≠ 1 for which f(n) = n is_______________. (View Answer Video)
Question 2 : The line y = mx + 1 is a tangent to the curve if the value of m is: (View Answer Video)
Question 3 : The slope of the normal to the curve at x = 0 is :
(View Answer Video)
Question 4 : The line y=mx+1 is a tangent to the curve if the value of m is ________. (View Answer Video)
Question 5 : The normal at the point (1, 1) on the curve is; (View Answer Video)
Question 1 : Find the second order derivative of the function . (View Answer Video)
Question 2 : If x and y are connected parametrically by the equation , without eliminating the parameter, find . (View Answer Video)
Question 3 : Differentiate the function w.r.t.x . (View Answer Video)
Question 4 : Differentiate the function with respect to x. (View Answer Video)
Question 5 : Differentiate the function with respect to x. (View Answer Video)
Question 1 : Find the equation of the plane passing through the line of intersection of the plane and which is at a unit distance from the origin. (View Answer Video)
Question 2 : Find the distance between the point (5, 4, -6) and its image in xy-plane. (View Answer Video)
Question 3 : Find the distance of point from the plane (View Answer Video)
Question 4 : Find the angle between line and the plane 2x - y + 2z -13 = 0. (View Answer Video)
Question 5 : Find the distance between the point (7, 2, 4) and the plane determined by the points A(2, 5, -3), B(-2, -3, 5) and C(5, 3, -3). (View Answer Video)