Maths Probability CBSE 12 Science Solutions for MCQ in English to enable students to get Solutions in a narrative video format for the specific question.
Expert Teacher provides Maths Probability CBSE 12 Science Solutions for MCQ through Video Solutions 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 Solution in a narrative video format.
Question:
Solution Video in English:
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Question 1 : In a group of 30 scientists workings on an experiment, 20 never commit error in their work and are reporting results elaborately. Two scientists are selected at random from the group. Find the probability distribution of the number of selected scientists who never commit error in work and reporting. Also find the mean of the distribution. What values are described in this question? (View Answer Video)
Question 2 : Probability of solving specific problem independently by A and B are and respectively. If both try to solve the problem, independently, then find the probability that exactly one of them solves the problem. (View Answer Video)
Question 3 : Find the mean, the variance and the standard deviation of the number of doublets in three throws of a pair of dice. (View Answer Video)
Question 4 : Five bad oranges are accidently mixed with 20 good ones. If four oranges are drawn one by one successively with replacement, then find the probability distribution of number of bad oranges drawn. Hence, find the mean and variance of the distribution. (View Answer Video)
Question 5 : If E and F are independent events, then show that and are also independent. (View Answer Video)
Question 1 : Using elementary transformation, find the inverse of the matrix . (View Answer Video)
Question 2 : Given, , find the value of x. (View Answer Video)
Question 3 : Let Find 3A - C. (View Answer Video)
Question 4 : Find the transpose of the matrix: . (View Answer Video)
Question 5 : Find the transpose of the matrix: . (View Answer Video)
Question 1 : Solve the differential
(View Answer Video)
Question 2 : Write the sum of the order and degree of the differential equation (View Answer Video)
Question 3 : Find the particular solution of the differential equation :
when x = 1, (View Answer Video)
Question 4 : Write the differential equation representing the family of curves y = mx, where m is an arbitrary constant. (View Answer Video)
Question 5 : Show that the solution of differential equation :
(View Answer Video)
Question 1 : If , then x is equal to, (View Answer Video)
Question 2 : If find |A|. (View Answer Video)
Question 3 : Transpose of a column matrix is, (View Answer Video)
Question 4 : Evaluate the determinant: . (View Answer Video)
Question 5 : If x, y, z are non-zero real numbers, then the inverse of matrix is, (View Answer Video)