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

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

** An experiment succeeds thrice as often as it fails. Find the probability that in the next trials, there will be atleast 3 successes. **

** 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** : If and then find P(E / F).

**Question 2** : A bag contains 3 red and 7 black balls. 2 balls are selected at random one by one without replacement. If the second selected ball happens to be red, what is the probability that the first selected ball is also red?

**Question 3** : If E and F are two events such that,

, Find P(not E and not F).

**Question 4** : 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?

**Question 5** : If E and F are independent events, then show that and are also independent.

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

### Application of Derivatives

**Question 1** : The line y = mx + 1 is a tangent to the curve if the value of m is:

**Question 2** :

The total revenue in Rupees received from the sale of 'x' units of a product is given by :

The marginal revenue, when x=15 is :

**Question 3** : The normal at the point (1, 1) on the curve is;

**Question 4** : A stone is dropped into a quiet lake and waves move in circles at a speed of 4 cm per second. At the instant when the radius of the circular waves is 10 cm, how fast is the enclosed area increasing?

**Question 5** : Find the equation of the normal to a curve which passes through the point (1,2).

### Differential Equations

**Question 1** : Find the particular solution of the differential equation given that y = 1, when x = 0.

**Question 2** : Solve the differential equation:

**Question 3** : Find the particular solution of the differential equation given that y = 1 when x = 0.

**Question 4** : Find the solution of the differential equation

**Question 5** : Find the general solution of the following differential equation :

### Relations and Functions

**Question 1** : Letbe defined as f(x) = 3x.

**Question 2** : If is a relation on N, write the range of R.

**Question 3** : Functions are defined respectively, by , find .

**Question 4** : If f(x) = ax + b and g(x) = cx + d, then f[g(x)] – g[f(x)] is equivalent to,

**Question 5** : Number of binary operations on the set { a, b} are: