MCQ in English Probability Answers for CBSE Maths 12 Science

MCQ in English Probability Answers for CBSE Maths 12 Science to enable students to get Answers in a narrative video format for the specific question.

Expert Teacher provides MCQ Probability Answers for CBSE Maths 12 Science 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:

Out of a group of 30 honest people, 20 always speak the truth. Two persons are selected at random from the group. Find the probability distribution of the number of selected persons who speak the truth. Also find the mean of the distribution. What values are described in this question?    

Answer Video in English:

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

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

Question 1 :  In a group of 400 people, 160 are smokers and non-vegetarian, 100 are smokers and vegetarian and the remaining are non-smokers and vegetarian. The probabilities of getting a special chest disease are 35%, 20% and 10% respectively. A person is chosen from the group at random and is found to be suffering from the disease. What is the probability that the selected person is a smoker and non-vegetarian? What value is reflected in this question?     (View Answer Video)

Question 2 : A and B throw a pair of dice alternately. A wins the game if he gets a total of 9 and B wins if he gets a total of 7. If A starts the game, find the probability of winning the game by B.   (View Answer Video)

Question 3 : In a school, there are 1,000 students, out of which 380 are girls. Out of 380 girls, 10% of the girls scored highest in GS. What is the probability that a student chosen randomly scored highest in GS given that the chosen student is a girl?  (View Answer Video)

Question 4 : A bag X contains 4 white balls and 2 black balls, while another bag Y contains 3 white balls and 3 black balls. Two balls are drawn (without replacement) at random from one of the bags and were found to be one white and one black. Find the probability that the balls were drawn from bag Y.  (View Answer Video)

Question 5 :  A die is rolled. If E= (1, 3, 5), F(2, 3) and G= {2, 3, 4, 5}, find Question (View Answer Video)

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

Differential Equations

Question 1 : Find the particular solution of the differential equation Question given that y = 0, when x = 0. (View Answer Video)

Question 2 : Form the differential equation of equation y = a cos 2x + b sin 2x, where a and b are constant. (View Answer Video)

Question 3 : Write the differential equation representing the family of curves y = mx, where m is an arbitrary constant. (View Answer Video)

Question 4 :  Find the particular solution of the differential equation Question given that Question  When x =1.  (View Answer Video)

Question 5 : Form the differential equation of the family of circles in the second quadrant and touching the co-ordinate axes. (View Answer Video)

Matrices

Question 1 : IfQuestion , write the value of"x". (View Answer Video)

Question 2 : If a matrix has 24 elements, what are the possible orders it can have? (View Answer Video)

Question 3 : Find the value of z,  from the equation: Question (View Answer Video)

Question 4 : Compute: Question. (View Answer Video)

Question 5 : Find the transpose of the matrix: Question. (View Answer Video)

Inverse Trigonometric Functions

Question 1 : Question  then find the value of x. (View Answer Video)

Question 2 :

Solve the equation:
Question

(View Answer Video)

Question 3 : Solve the equation for Question (View Answer Video)

Question 4 : Question is equal to :
  (View Answer Video)

Question 5 : Write the principal value of Question (View Answer Video)