Probability MCQ CBSE Maths 12 Science Answers in English

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

Expert Teacher provides Probability MCQ CBSE Maths 12 Science Answers 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:

If the mean and variance of a Binomial distribution are 9 and 6 respectively, find the number of trails.

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 : One card is drawn from a pack of 52 cards. Find the probability of getting a jack of hearts: 
  (View Answer Video)

Question 2 : Assume that the chances of a patient having a heart attack are 40%. Assume that a meditation and yoga course reduces the risk of heart attack by 30% and the prescription of certain drugs and certain restrictions reduces the risk by 25%. At a time, a patient choses only one of the two options with equal probabilities. After going through one of the two options, the patient is selected at random who is suffering from a heart attack. Find the probability that the patient followed a course of meditation and yoga. Write the value referred here.      (View Answer Video)

Question 3 : 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?     (View Answer Video)

Question 4 : If E and F are two events such that,
 Question, Find P(E or F).         (View Answer Video)

Question 5 : The probabilities of two students A and B coming to the school in time are Question and Questionrespectively. Assuming that the events ' A coming in time ' and
' B coming in time ' are independent. Find the probability of only one. Write of them come in time atleast one advantage of coming to school in time.   (View Answer Video)

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

Inverse Trigonometric Functions

Question 1 : If Questionthen value of y lies between.....? (View Answer Video)

Question 2 : If  Question then write the value of x + y + xy. (View Answer Video)

Question 3 : Write the principal value of  Question (View Answer Video)

Question 4 : Write in the simplest form:
Question (View Answer Video)

Question 5 : Question  then find the value of x. (View Answer Video)

Determinant

Question 1 : Which of the following is correct? (View Answer Video)

Question 2 : If |A| = 0, then A is, (View Answer Video)

Question 3 : If A =Question, find | A |. (View Answer Video)

Question 4 : Let A be a non-singular square matrix of order 3 * 3. Then | adj A | is equal to: (View Answer Video)

Question 5 :  Using the properties of determinants, evaluate Question. (View Answer Video)

Integrals

Question 1 : Evaluate : Question. (View Answer Video)

Question 2 : Prove that : Question (View Answer Video)

Question 3 : Write the value of: Question (View Answer Video)

Question 4 : Evaluate : Question (View Answer Video)

Question 5 : Evaluate : Question (View Answer Video)