Maths 12 Science Probability CBSE Solutions for MCQ in English to enable students to get Solutions in a narrative video format for the specific question.
Expert Teacher provides Maths 12 Science Probability CBSE 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:
You can select video Solutions from other languages also. Please check Solutions in ( Hindi )
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 : Compute P(A/B) if P(B) =0.5 and P(AB)=0.32. (View Answer Video)
Question 3 : In a school, there are 1000 students out of which 430 are girls. It is known that out of 430, 10% of the girls study in class XII. What is the probability that a student chosen randomly studies in class XII, given that the chosen student is a girl? (View Answer Video)
Question 4 : From a lot of 30 bulbs which includes 6 defectives, a sample of 4 bulbs is drawn at random one by one with replacement. Find the probability distribution of the number of defective bulbs. Hence find the mean of the distributions. (View Answer Video)
Question 5 : A die is thrown 6 times. If 'getting an odd number' is a 'success', what is the probability of obtaining:
atmost 5 successes? (View Answer Video)
Question 1 : Differentiate the function w.r.t.x . (View Answer Video)
Question 2 : Differentiate the function with respect to x. (View Answer Video)
Question 3 : Differentiate the function w.r.t.x . (View Answer Video)
Question 4 : Differentiate w.r.t.x. (View Answer Video)
Question 5 : Differentiate w.r.t.x the function , for some constant a and b. (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 : For all values of x, the minimum value of is : (View Answer Video)
Question 3 : The length x of a rectangle is decreasing at the rate of 5cm/minute. and width y is increasing at the rate of 4cm/minute. When x=8cm and y=6 cm, find the rate of changes of:
(a) the area of the rectangle. (View Answer Video)
Question 4 : It is given that at x=1, the function attains its maximum value on the interval[0,2]. Find the value of a? (View Answer Video)
Question 5 : Find the maximum profit that a company can make if the profit function is. (View Answer Video)
Question 1 : The law a + b = b + a is called ______. (View Answer Video)
Question 2 : The identity element for the binary operation * defined by a * b = , where a, b are the elements of a set of non-zero rational numbers, is, (View Answer Video)
Question 3 : If f and g two functions such that they are one-one then g o f is: (View Answer Video)
Question 4 : If f is the greatest integer function and g is the modulus function . Write the value of g o f(-1/3) – f o g ( -1/3 ). (View Answer Video)
Question 5 : A function defined as is, (View Answer Video)