Maths Probability CBSE 12 Science MCQ in English Solutions

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.

Question:

An urn contains 3 white and 6 red balls. Four balls are drawn one by one with replacement from the urn. Find the probability distribution of the number of red balls drawn. Also, find mean and variance of distribution.   

Solution Video in English:

You can select video Solutions from other languages also. Please check Solutions in ( Hindi )

Similar Questions from CBSE, 12th Science, Maths, Probability

Question 1 : 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 2 : A card from a pack of 52 cards is lost. From the remaining cards of the pack, two cards are drawn at random and are found to be hearts. Find the probability of the missing card to be a heart.     (View Answer Video)

Question 3 : P speaks truth in 70% of the cases and Q in 80% of the cases. In what percent of cases are they likely to agree in stating the same fact?  (View Answer Video)

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Question 5 : 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)

Questions from Other Chapters of CBSE, 12th Science, Maths

Application of Integrals

Question 1 : Find the area bounded by curves Question. (View Answer Video)

Question 2 : Find the area of the region enclosed by the parabola Questionthe line y = x + 2. (View Answer Video)

Question 3 : Using the method of integration, find the area of the region bounded by the lines: 5x - 2y -10 = 0, x + y - 9 = 0 and 2x - 5y - 4 = 0. (View Answer Video)

Question 4 : Find the area of the region bounded by the parabola Question and y = | x |. (View Answer Video)

Question 5 : Using integration, find the area of the region bounded by the curves: y = |x + 1| + 1, x = -3, x = 3, y = 0. (View Answer Video)

Three Dimensional Geometry

Question 1 : Find the distance of the point (3, 4, 5) from the plane x + y + z = 2 measured parallel to the line 2x = y = z. (View Answer Video)

Question 2 : Find the equation of plane passing through the line of intersection of the planes Questionand Question and passing through the point (3, -2, -1). Also, find the angle between the two given planes. (View Answer Video)

Question 3 : Find the distance between the point (-1, -5, -10) and the point of intersection of line Question and plane
x - y + z = 5. (View Answer Video)

Question 4 : Find the intercepts cut off by the plane 2x + y - z = 5. (View Answer Video)

Question 5 : If the cartesian equations of a line are  Question  write the vector equation for the line. (View Answer Video)

Vector Algebra

Question 1 : Find the projection of the vectorQuestion on the vector Question (View Answer Video)

Question 2 :  Find the scalar quantities from the following:
(i) 10 kg          (ii) 2 m north-west          (iii) Question
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Question 3 : Find |x|, if for a unit vector a,(x - a).(x + a) = 12. (View Answer Video)

Question 4 : Find the angle between the vectors Question and Question (View Answer Video)

Question 5 :  If Questionand Questiondenote the position vectors of points A and B respectively and C is a point on AB such that AC = 2 CB, then write the position vector of C.  (View Answer Video)