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

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

** There are three coins. First is a biased that comes up tails 60% of the times, second is also a biased coin that comes up heads 75% of the times and third is an unbiased coin. One of the three coins is chosen at random and tossed, it shows heads, what is the probability that it was the first coin? **

** Solution Video in** **English****:**

You can select video Solutions from other languages also. Please check Solutions in
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## Similar Questions from CBSE, 12th Science, Maths, Probability

**Question 1** : Four cards are drawn successively with replacement from a well shuffled deck of 52 cards. What is the probability that:

Only 2 cards are spades?

**Question 2** : If E and F are two events such that,

, Find P(E or F).

**Question 3** : A card from a pack of 52 playing card is lost. From the remaining cards of the pack, three cards are drawn at random (without replacement) and are found to be all spades. Find the probability of the lost card being a spade.

**Question 4** : A coin is tossed three times. Find P(F/E), where E : at most two tails and F : atleast one tail.

**Question 5** : A pair of dice is thrown 4 times. If getting a doublet is considered a success, find the probability distribution of the number of successes and hence find its mean.

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

### Determinant

**Question 1** : Transpose of a rectangular matrix is a,

**Question 2** : If , then x is equal to,

**Question 3** : Evaluate the determinant: .

**Question 4** : Find the area of the triangle with vertices at the points (2, 7), (1, 1), (10, 8).

**Question 5** : Transpose of a column matrix is,

### Continuity and Differentiability

**Question 1** : Find the second order derivative of the function .

**Question 2** : Differentiate the function with respect to x.

**Question 3** : Differentiate the function with respect to x.

**Question 4** : Differentiate the function with respect to x.

**Question 5** : If , find in terms of y alone.

### Inverse Trigonometric Functions

**Question 1** : What is principal value of

**Question 2** : Find the value of What value do you learn from it ?

**Question 3** : Write the principal value of

**Question 4** : Solve the equation for

**Question 5** : Solve for